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Finding the Fourth Proportional to 59,842.46, 82,636.00 and 57,006.65

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Solution

The fourth proportional to 59,842.46, 82,636.00 and 57,006.65 is: 78,720.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,842.46 : 82,636.00 = 57,006.65 : x
  2. Step 2: Convert to fraction form
    59,842.46/82,636.00 = 57,006.65/x
  3. Step 3: Cross multiply
    59,842.46x = 82,636.00 × 57,006.65
  4. Step 4: Simplify right side
    59,842.46x = 4,710,801,593.47
  5. Step 5: Solve for x
    x = 4,710,801,593.47/59,842.46
  6. Step 6: Final answer
    x = 78,720.05

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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.