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Finding the Fourth Proportional to 57,495.71, 79,343.96 and 32,345.21

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Solution

The fourth proportional to 57,495.71, 79,343.96 and 32,345.21 is: 44,636.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,495.71 : 79,343.96 = 32,345.21 : x
  2. Step 2: Convert to fraction form
    57,495.71/79,343.96 = 32,345.21/x
  3. Step 3: Cross multiply
    57,495.71x = 79,343.96 × 32,345.21
  4. Step 4: Simplify right side
    57,495.71x = 2,566,397,327.65
  5. Step 5: Solve for x
    x = 2,566,397,327.65/57,495.71
  6. Step 6: Final answer
    x = 44,636.33

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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.