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Finding the Fourth Proportional to 71,753.85, 99,025.04 and 39,922.82

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Solution

The fourth proportional to 71,753.85, 99,025.04 and 39,922.82 is: 55,096.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,753.85 : 99,025.04 = 39,922.82 : x
  2. Step 2: Convert to fraction form
    71,753.85/99,025.04 = 39,922.82/x
  3. Step 3: Cross multiply
    71,753.85x = 99,025.04 × 39,922.82
  4. Step 4: Simplify right side
    71,753.85x = 3,953,358,152.67
  5. Step 5: Solve for x
    x = 3,953,358,152.67/71,753.85
  6. Step 6: Final answer
    x = 55,096.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.