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Finding the Fourth Proportional to 10,261.69, 15,392.53 and 2,470.50

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Solution

The fourth proportional to 10,261.69, 15,392.53 and 2,470.50 is: 3,705.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,261.69 : 15,392.53 = 2,470.50 : x
  2. Step 2: Convert to fraction form
    10,261.69/15,392.53 = 2,470.50/x
  3. Step 3: Cross multiply
    10,261.69x = 15,392.53 × 2,470.50
  4. Step 4: Simplify right side
    10,261.69x = 38,027,248.45
  5. Step 5: Solve for x
    x = 38,027,248.45/10,261.69
  6. Step 6: Final answer
    x = 3,705.75

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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.