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Finding the Fourth Proportional to 50,313.75, 69,432.99 and 27,957.75

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Solution

The fourth proportional to 50,313.75, 69,432.99 and 27,957.75 is: 38,581.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,313.75 : 69,432.99 = 27,957.75 : x
  2. Step 2: Convert to fraction form
    50,313.75/69,432.99 = 27,957.75/x
  3. Step 3: Cross multiply
    50,313.75x = 69,432.99 × 27,957.75
  4. Step 4: Simplify right side
    50,313.75x = 1,941,190,176.17
  5. Step 5: Solve for x
    x = 1,941,190,176.17/50,313.75
  6. Step 6: Final answer
    x = 38,581.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.