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Finding the Fourth Proportional to 57,568, 79,444.08 and 32,417.92

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Solution

The fourth proportional to 57,568, 79,444.08 and 32,417.92 is: 44,736.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,568 : 79,444.08 = 32,417.92 : x
  2. Step 2: Convert to fraction form
    57,568/79,444.08 = 32,417.92/x
  3. Step 3: Cross multiply
    57,568x = 79,444.08 × 32,417.92
  4. Step 4: Simplify right side
    57,568x = 2,575,411,829.91
  5. Step 5: Solve for x
    x = 2,575,411,829.91/57,568
  6. Step 6: Final answer
    x = 44,736.86

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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.