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Finding the Fourth Proportional to 50,657.60, 69,892.08 and 29,432.80

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Solution

The fourth proportional to 50,657.60, 69,892.08 and 29,432.80 is: 40,608.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,657.60 : 69,892.08 = 29,432.80 : x
  2. Step 2: Convert to fraction form
    50,657.60/69,892.08 = 29,432.80/x
  3. Step 3: Cross multiply
    50,657.60x = 69,892.08 × 29,432.80
  4. Step 4: Simplify right side
    50,657.60x = 2,057,119,612.22
  5. Step 5: Solve for x
    x = 2,057,119,612.22/50,657.60
  6. Step 6: Final answer
    x = 40,608.31

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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.