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Finding the Fourth Proportional to 59,572.64, 82,214.48 and 39,394.48

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Solution

The fourth proportional to 59,572.64, 82,214.48 and 39,394.48 is: 54,367.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,572.64 : 82,214.48 = 39,394.48 : x
  2. Step 2: Convert to fraction form
    59,572.64/82,214.48 = 39,394.48/x
  3. Step 3: Cross multiply
    59,572.64x = 82,214.48 × 39,394.48
  4. Step 4: Simplify right side
    59,572.64x = 3,238,796,688.07
  5. Step 5: Solve for x
    x = 3,238,796,688.07/59,572.64
  6. Step 6: Final answer
    x = 54,367.18

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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.