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Finding the Fourth Proportional to 57,653.20, 86,323.47 and 29,892.88

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Solution

The fourth proportional to 57,653.20, 86,323.47 and 29,892.88 is: 44,758.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,653.20 : 86,323.47 = 29,892.88 : x
  2. Step 2: Convert to fraction form
    57,653.20/86,323.47 = 29,892.88/x
  3. Step 3: Cross multiply
    57,653.20x = 86,323.47 × 29,892.88
  4. Step 4: Simplify right side
    57,653.20x = 2,580,457,129.89
  5. Step 5: Solve for x
    x = 2,580,457,129.89/57,653.20
  6. Step 6: Final answer
    x = 44,758.26

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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.