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Finding the Fourth Proportional to 66,472.30, 99,679.26 and 24,890.14

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Solution

The fourth proportional to 66,472.30, 99,679.26 and 24,890.14 is: 37,324.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,472.30 : 99,679.26 = 24,890.14 : x
  2. Step 2: Convert to fraction form
    66,472.30/99,679.26 = 24,890.14/x
  3. Step 3: Cross multiply
    66,472.30x = 99,679.26 × 24,890.14
  4. Step 4: Simplify right side
    66,472.30x = 2,481,030,736.50
  5. Step 5: Solve for x
    x = 2,481,030,736.50/66,472.30
  6. Step 6: Final answer
    x = 37,324.28

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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.