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Finding the Fourth Proportional to 40,514.70, 60,772.05 and 34,974.30

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Solution

The fourth proportional to 40,514.70, 60,772.05 and 34,974.30 is: 52,461.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,514.70 : 60,772.05 = 34,974.30 : x
  2. Step 2: Convert to fraction form
    40,514.70/60,772.05 = 34,974.30/x
  3. Step 3: Cross multiply
    40,514.70x = 60,772.05 × 34,974.30
  4. Step 4: Simplify right side
    40,514.70x = 2,125,459,908.32
  5. Step 5: Solve for x
    x = 2,125,459,908.32/40,514.70
  6. Step 6: Final answer
    x = 52,461.45

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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.