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Finding the Fourth Proportional to 8,897.55, 13,346.33 and 7,694.70

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Solution

The fourth proportional to 8,897.55, 13,346.33 and 7,694.70 is: 11,542.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,897.55 : 13,346.33 = 7,694.70 : x
  2. Step 2: Convert to fraction form
    8,897.55/13,346.33 = 7,694.70/x
  3. Step 3: Cross multiply
    8,897.55x = 13,346.33 × 7,694.70
  4. Step 4: Simplify right side
    8,897.55x = 102,695,966.98
  5. Step 5: Solve for x
    x = 102,695,966.98/8,897.55
  6. Step 6: Final answer
    x = 11,542.05

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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.