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Finding the Fourth Proportional to 16,659.61, 24,989.38 and 4,347.61

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Solution

The fourth proportional to 16,659.61, 24,989.38 and 4,347.61 is: 6,521.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,659.61 : 24,989.38 = 4,347.61 : x
  2. Step 2: Convert to fraction form
    16,659.61/24,989.38 = 4,347.61/x
  3. Step 3: Cross multiply
    16,659.61x = 24,989.38 × 4,347.61
  4. Step 4: Simplify right side
    16,659.61x = 108,644,078.38
  5. Step 5: Solve for x
    x = 108,644,078.38/16,659.61
  6. Step 6: Final answer
    x = 6,521.41

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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.