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Finding the Fourth Proportional to 9,000.17, 13,508.30 and 8,966.69

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Solution

The fourth proportional to 9,000.17, 13,508.30 and 8,966.69 is: 13,458.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,000.17 : 13,508.30 = 8,966.69 : x
  2. Step 2: Convert to fraction form
    9,000.17/13,508.30 = 8,966.69/x
  3. Step 3: Cross multiply
    9,000.17x = 13,508.30 × 8,966.69
  4. Step 4: Simplify right side
    9,000.17x = 121,124,738.53
  5. Step 5: Solve for x
    x = 121,124,738.53/9,000.17
  6. Step 6: Final answer
    x = 13,458.05

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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.