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Finding the Fourth Proportional to 59,708.38, 82,396.47 and 40,844.86

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Solution

The fourth proportional to 59,708.38, 82,396.47 and 40,844.86 is: 56,365.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,708.38 : 82,396.47 = 40,844.86 : x
  2. Step 2: Convert to fraction form
    59,708.38/82,396.47 = 40,844.86/x
  3. Step 3: Cross multiply
    59,708.38x = 82,396.47 × 40,844.86
  4. Step 4: Simplify right side
    59,708.38x = 3,365,472,281.64
  5. Step 5: Solve for x
    x = 3,365,472,281.64/59,708.38
  6. Step 6: Final answer
    x = 56,365.16

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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.