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Finding the Fourth Proportional to 58,610.93, 80,917.58 and 38,502.88

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Solution

The fourth proportional to 58,610.93, 80,917.58 and 38,502.88 is: 53,156.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,610.93 : 80,917.58 = 38,502.88 : x
  2. Step 2: Convert to fraction form
    58,610.93/80,917.58 = 38,502.88/x
  3. Step 3: Cross multiply
    58,610.93x = 80,917.58 × 38,502.88
  4. Step 4: Simplify right side
    58,610.93x = 3,115,559,766.59
  5. Step 5: Solve for x
    x = 3,115,559,766.59/58,610.93
  6. Step 6: Final answer
    x = 53,156.64

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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.