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Finding the Fourth Proportional to 15,099.84, 22,649.76 and 4,711.68

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Solution

The fourth proportional to 15,099.84, 22,649.76 and 4,711.68 is: 7,067.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,099.84 : 22,649.76 = 4,711.68 : x
  2. Step 2: Convert to fraction form
    15,099.84/22,649.76 = 4,711.68/x
  3. Step 3: Cross multiply
    15,099.84x = 22,649.76 × 4,711.68
  4. Step 4: Simplify right side
    15,099.84x = 106,718,421.20
  5. Step 5: Solve for x
    x = 106,718,421.20/15,099.84
  6. Step 6: Final answer
    x = 7,067.52

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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.