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Finding the Fourth Proportional to 8,866.70, 13,289.67 and 5,700.10

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Solution

The fourth proportional to 8,866.70, 13,289.67 and 5,700.10 is: 8,543.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,866.70 : 13,289.67 = 5,700.10 : x
  2. Step 2: Convert to fraction form
    8,866.70/13,289.67 = 5,700.10/x
  3. Step 3: Cross multiply
    8,866.70x = 13,289.67 × 5,700.10
  4. Step 4: Simplify right side
    8,866.70x = 75,752,447.97
  5. Step 5: Solve for x
    x = 75,752,447.97/8,866.70
  6. Step 6: Final answer
    x = 8,543.48

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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.