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Finding the Fourth Proportional to 8,965.56, 13,468.98 and 5,644.14

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Solution

The fourth proportional to 8,965.56, 13,468.98 and 5,644.14 is: 8,479.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,965.56 : 13,468.98 = 5,644.14 : x
  2. Step 2: Convert to fraction form
    8,965.56/13,468.98 = 5,644.14/x
  3. Step 3: Cross multiply
    8,965.56x = 13,468.98 × 5,644.14
  4. Step 4: Simplify right side
    8,965.56x = 76,020,808.78
  5. Step 5: Solve for x
    x = 76,020,808.78/8,965.56
  6. Step 6: Final answer
    x = 8,479.20

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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.