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Finding the Fourth Proportional to 9,648.10, 14,472.15 and 5,256.28

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Solution

The fourth proportional to 9,648.10, 14,472.15 and 5,256.28 is: 7,884.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,648.10 : 14,472.15 = 5,256.28 : x
  2. Step 2: Convert to fraction form
    9,648.10/14,472.15 = 5,256.28/x
  3. Step 3: Cross multiply
    9,648.10x = 14,472.15 × 5,256.28
  4. Step 4: Simplify right side
    9,648.10x = 76,069,672.60
  5. Step 5: Solve for x
    x = 76,069,672.60/9,648.10
  6. Step 6: Final answer
    x = 7,884.42

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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.