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Finding the Fourth Proportional to 61,264.56, 84,546.99 and 34,407.65

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Solution

The fourth proportional to 61,264.56, 84,546.99 and 34,407.65 is: 47,483.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,264.56 : 84,546.99 = 34,407.65 : x
  2. Step 2: Convert to fraction form
    61,264.56/84,546.99 = 34,407.65/x
  3. Step 3: Cross multiply
    61,264.56x = 84,546.99 × 34,407.65
  4. Step 4: Simplify right side
    61,264.56x = 2,909,062,817.74
  5. Step 5: Solve for x
    x = 2,909,062,817.74/61,264.56
  6. Step 6: Final answer
    x = 47,483.62

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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.