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Finding the Fourth Proportional to 16,291.67, 24,437.95 and 5,760.20

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Solution

The fourth proportional to 16,291.67, 24,437.95 and 5,760.20 is: 8,640.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,291.67 : 24,437.95 = 5,760.20 : x
  2. Step 2: Convert to fraction form
    16,291.67/24,437.95 = 5,760.20/x
  3. Step 3: Cross multiply
    16,291.67x = 24,437.95 × 5,760.20
  4. Step 4: Simplify right side
    16,291.67x = 140,767,479.59
  5. Step 5: Solve for x
    x = 140,767,479.59/16,291.67
  6. Step 6: Final answer
    x = 8,640.46

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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.