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Finding the Fourth Proportional to 9,695.68, 13,375.20 and 6,153.28

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Solution

The fourth proportional to 9,695.68, 13,375.20 and 6,153.28 is: 8,488.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,695.68 : 13,375.20 = 6,153.28 : x
  2. Step 2: Convert to fraction form
    9,695.68/13,375.20 = 6,153.28/x
  3. Step 3: Cross multiply
    9,695.68x = 13,375.20 × 6,153.28
  4. Step 4: Simplify right side
    9,695.68x = 82,301,350.66
  5. Step 5: Solve for x
    x = 82,301,350.66/9,695.68
  6. Step 6: Final answer
    x = 8,488.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.