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Finding the Fourth Proportional to 66,824.46, 100,264.77 and 29,365.20

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Solution

The fourth proportional to 66,824.46, 100,264.77 and 29,365.20 is: 44,060.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,824.46 : 100,264.77 = 29,365.20 : x
  2. Step 2: Convert to fraction form
    66,824.46/100,264.77 = 29,365.20/x
  3. Step 3: Cross multiply
    66,824.46x = 100,264.77 × 29,365.20
  4. Step 4: Simplify right side
    66,824.46x = 2,944,295,024.00
  5. Step 5: Solve for x
    x = 2,944,295,024.00/66,824.46
  6. Step 6: Final answer
    x = 44,060.14

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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.