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Finding the Fourth Proportional to 9,074.35, 13,589.65 and 9,008.74

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Solution

The fourth proportional to 9,074.35, 13,589.65 and 9,008.74 is: 13,491.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,074.35 : 13,589.65 = 9,008.74 : x
  2. Step 2: Convert to fraction form
    9,074.35/13,589.65 = 9,008.74/x
  3. Step 3: Cross multiply
    9,074.35x = 13,589.65 × 9,008.74
  4. Step 4: Simplify right side
    9,074.35x = 122,425,510.55
  5. Step 5: Solve for x
    x = 122,425,510.55/9,074.35
  6. Step 6: Final answer
    x = 13,491.39

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Half scale
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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.