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Finding the Fourth Proportional to 8,954.04, 12,358.14 and 8,560.44

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Solution

The fourth proportional to 8,954.04, 12,358.14 and 8,560.44 is: 11,814.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,954.04 : 12,358.14 = 8,560.44 : x
  2. Step 2: Convert to fraction form
    8,954.04/12,358.14 = 8,560.44/x
  3. Step 3: Cross multiply
    8,954.04x = 12,358.14 × 8,560.44
  4. Step 4: Simplify right side
    8,954.04x = 105,791,115.98
  5. Step 5: Solve for x
    x = 105,791,115.98/8,954.04
  6. Step 6: Final answer
    x = 11,814.90

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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.