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Finding the Fourth Proportional to 61,551.47, 84,945.02 and 34,330.61

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Solution

The fourth proportional to 61,551.47, 84,945.02 and 34,330.61 is: 47,378.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,551.47 : 84,945.02 = 34,330.61 : x
  2. Step 2: Convert to fraction form
    61,551.47/84,945.02 = 34,330.61/x
  3. Step 3: Cross multiply
    61,551.47x = 84,945.02 × 34,330.61
  4. Step 4: Simplify right side
    61,551.47x = 2,916,213,756.68
  5. Step 5: Solve for x
    x = 2,916,213,756.68/61,551.47
  6. Step 6: Final answer
    x = 47,378.46

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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.