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Finding the Fourth Proportional to 61,508.37, 84,881.17 and 34,659.53

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Solution

The fourth proportional to 61,508.37, 84,881.17 and 34,659.53 is: 47,829.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,508.37 : 84,881.17 = 34,659.53 : x
  2. Step 2: Convert to fraction form
    61,508.37/84,881.17 = 34,659.53/x
  3. Step 3: Cross multiply
    61,508.37x = 84,881.17 × 34,659.53
  4. Step 4: Simplify right side
    61,508.37x = 2,941,941,395.27
  5. Step 5: Solve for x
    x = 2,941,941,395.27/61,508.37
  6. Step 6: Final answer
    x = 47,829.93

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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.