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Finding the Fourth Proportional to 9,008.84, 13,542.32 and 8,353.76

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Solution

The fourth proportional to 9,008.84, 13,542.32 and 8,353.76 is: 12,557.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,008.84 : 13,542.32 = 8,353.76 : x
  2. Step 2: Convert to fraction form
    9,008.84/13,542.32 = 8,353.76/x
  3. Step 3: Cross multiply
    9,008.84x = 13,542.32 × 8,353.76
  4. Step 4: Simplify right side
    9,008.84x = 113,129,244.30
  5. Step 5: Solve for x
    x = 113,129,244.30/9,008.84
  6. Step 6: Final answer
    x = 12,557.58

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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.