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Finding the Fourth Proportional to 9,008.52, 13,491.90 and 8,697.16

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Solution

The fourth proportional to 9,008.52, 13,491.90 and 8,697.16 is: 13,025.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,008.52 : 13,491.90 = 8,697.16 : x
  2. Step 2: Convert to fraction form
    9,008.52/13,491.90 = 8,697.16/x
  3. Step 3: Cross multiply
    9,008.52x = 13,491.90 × 8,697.16
  4. Step 4: Simplify right side
    9,008.52x = 117,341,213.00
  5. Step 5: Solve for x
    x = 117,341,213.00/9,008.52
  6. Step 6: Final answer
    x = 13,025.58

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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.