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Finding the Fourth Proportional to 61,033.59, 91,600.05 and 31,459.89

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Solution

The fourth proportional to 61,033.59, 91,600.05 and 31,459.89 is: 47,215.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,033.59 : 91,600.05 = 31,459.89 : x
  2. Step 2: Convert to fraction form
    61,033.59/91,600.05 = 31,459.89/x
  3. Step 3: Cross multiply
    61,033.59x = 91,600.05 × 31,459.89
  4. Step 4: Simplify right side
    61,033.59x = 2,881,727,496.99
  5. Step 5: Solve for x
    x = 2,881,727,496.99/61,033.59
  6. Step 6: Final answer
    x = 47,215.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.