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Finding the Fourth Proportional to 50,955.30, 76,432.95 and 15,894.99

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Solution

The fourth proportional to 50,955.30, 76,432.95 and 15,894.99 is: 23,842.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,955.30 : 76,432.95 = 15,894.99 : x
  2. Step 2: Convert to fraction form
    50,955.30/76,432.95 = 15,894.99/x
  3. Step 3: Cross multiply
    50,955.30x = 76,432.95 × 15,894.99
  4. Step 4: Simplify right side
    50,955.30x = 1,214,900,975.92
  5. Step 5: Solve for x
    x = 1,214,900,975.92/50,955.30
  6. Step 6: Final answer
    x = 23,842.49

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.