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Finding the Fourth Proportional to 71,089.12, 106,630.44 and 23,700.88

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Solution

The fourth proportional to 71,089.12, 106,630.44 and 23,700.88 is: 35,550.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,089.12 : 106,630.44 = 23,700.88 : x
  2. Step 2: Convert to fraction form
    71,089.12/106,630.44 = 23,700.88/x
  3. Step 3: Cross multiply
    71,089.12x = 106,630.44 × 23,700.88
  4. Step 4: Simplify right side
    71,089.12x = 2,527,235,262.79
  5. Step 5: Solve for x
    x = 2,527,235,262.79/71,089.12
  6. Step 6: Final answer
    x = 35,550.24

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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.