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Finding the Fourth Proportional to 62,705.79, 94,056.21 and 15,959.88

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Solution

The fourth proportional to 62,705.79, 94,056.21 and 15,959.88 is: 23,939.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,705.79 : 94,056.21 = 15,959.88 : x
  2. Step 2: Convert to fraction form
    62,705.79/94,056.21 = 15,959.88/x
  3. Step 3: Cross multiply
    62,705.79x = 94,056.21 × 15,959.88
  4. Step 4: Simplify right side
    62,705.79x = 1,501,125,824.85
  5. Step 5: Solve for x
    x = 1,501,125,824.85/62,705.79
  6. Step 6: Final answer
    x = 23,939.19

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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.