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Finding the Fourth Proportional to 57,620.79, 79,502.99 and 32,470.29

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Solution

The fourth proportional to 57,620.79, 79,502.99 and 32,470.29 is: 44,801.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,620.79 : 79,502.99 = 32,470.29 : x
  2. Step 2: Convert to fraction form
    57,620.79/79,502.99 = 32,470.29/x
  3. Step 3: Cross multiply
    57,620.79x = 79,502.99 × 32,470.29
  4. Step 4: Simplify right side
    57,620.79x = 2,581,484,978.82
  5. Step 5: Solve for x
    x = 2,581,484,978.82/57,620.79
  6. Step 6: Final answer
    x = 44,801.28

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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.