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Finding the Fourth Proportional to 9,866.57, 14,799.85 and 4,931.24

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Solution

The fourth proportional to 9,866.57, 14,799.85 and 4,931.24 is: 7,396.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,866.57 : 14,799.85 = 4,931.24 : x
  2. Step 2: Convert to fraction form
    9,866.57/14,799.85 = 4,931.24/x
  3. Step 3: Cross multiply
    9,866.57x = 14,799.85 × 4,931.24
  4. Step 4: Simplify right side
    9,866.57x = 72,981,525.99
  5. Step 5: Solve for x
    x = 72,981,525.99/9,866.57
  6. Step 6: Final answer
    x = 7,396.85

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Similar ratio
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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.