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Finding the Fourth Proportional to 55,098.32, 82,649.64 and 15,658.88

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Solution

The fourth proportional to 55,098.32, 82,649.64 and 15,658.88 is: 23,488.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,098.32 : 82,649.64 = 15,658.88 : x
  2. Step 2: Convert to fraction form
    55,098.32/82,649.64 = 15,658.88/x
  3. Step 3: Cross multiply
    55,098.32x = 82,649.64 × 15,658.88
  4. Step 4: Simplify right side
    55,098.32x = 1,294,200,794.80
  5. Step 5: Solve for x
    x = 1,294,200,794.80/55,098.32
  6. Step 6: Final answer
    x = 23,488.93

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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.