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Finding the Fourth Proportional to 71,663.90, 107,539.05 and 24,949.58

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Solution

The fourth proportional to 71,663.90, 107,539.05 and 24,949.58 is: 37,439.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,663.90 : 107,539.05 = 24,949.58 : x
  2. Step 2: Convert to fraction form
    71,663.90/107,539.05 = 24,949.58/x
  3. Step 3: Cross multiply
    71,663.90x = 107,539.05 × 24,949.58
  4. Step 4: Simplify right side
    71,663.90x = 2,683,054,131.10
  5. Step 5: Solve for x
    x = 2,683,054,131.10/71,663.90
  6. Step 6: Final answer
    x = 37,439.41

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1.5x scale

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.