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Finding the Fourth Proportional to 61,487.96, 84,854.66 and 37,289.70

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Solution

The fourth proportional to 61,487.96, 84,854.66 and 37,289.70 is: 51,460.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,487.96 : 84,854.66 = 37,289.70 : x
  2. Step 2: Convert to fraction form
    61,487.96/84,854.66 = 37,289.70/x
  3. Step 3: Cross multiply
    61,487.96x = 84,854.66 × 37,289.70
  4. Step 4: Simplify right side
    61,487.96x = 3,164,204,628.55
  5. Step 5: Solve for x
    x = 3,164,204,628.55/61,487.96
  6. Step 6: Final answer
    x = 51,460.56

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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.