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Finding the Fourth Proportional to 16,658.95, 24,980.14 and 5,561.83

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Solution

The fourth proportional to 16,658.95, 24,980.14 and 5,561.83 is: 8,339.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,658.95 : 24,980.14 = 5,561.83 : x
  2. Step 2: Convert to fraction form
    16,658.95/24,980.14 = 5,561.83/x
  3. Step 3: Cross multiply
    16,658.95x = 24,980.14 × 5,561.83
  4. Step 4: Simplify right side
    16,658.95x = 138,935,292.06
  5. Step 5: Solve for x
    x = 138,935,292.06/16,658.95
  6. Step 6: Final answer
    x = 8,339.98

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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.