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Finding the Fourth Proportional to 17,800.70, 24,585.15 and 12,125.61

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Solution

The fourth proportional to 17,800.70, 24,585.15 and 12,125.61 is: 16,747.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,800.70 : 24,585.15 = 12,125.61 : x
  2. Step 2: Convert to fraction form
    17,800.70/24,585.15 = 12,125.61/x
  3. Step 3: Cross multiply
    17,800.70x = 24,585.15 × 12,125.61
  4. Step 4: Simplify right side
    17,800.70x = 298,109,762.85
  5. Step 5: Solve for x
    x = 298,109,762.85/17,800.70
  6. Step 6: Final answer
    x = 16,747.08

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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.