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Finding the Fourth Proportional to 9,659.52, 14,489.28 and 5,274.58

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Solution

The fourth proportional to 9,659.52, 14,489.28 and 5,274.58 is: 7,911.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,659.52 : 14,489.28 = 5,274.58 : x
  2. Step 2: Convert to fraction form
    9,659.52/14,489.28 = 5,274.58/x
  3. Step 3: Cross multiply
    9,659.52x = 14,489.28 × 5,274.58
  4. Step 4: Simplify right side
    9,659.52x = 76,424,866.50
  5. Step 5: Solve for x
    x = 76,424,866.50/9,659.52
  6. Step 6: Final answer
    x = 7,911.87

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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.