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Finding the Fourth Proportional to 15,565.42, 23,348.06 and 6,679.99

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Solution

The fourth proportional to 15,565.42, 23,348.06 and 6,679.99 is: 10,019.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,565.42 : 23,348.06 = 6,679.99 : x
  2. Step 2: Convert to fraction form
    15,565.42/23,348.06 = 6,679.99/x
  3. Step 3: Cross multiply
    15,565.42x = 23,348.06 × 6,679.99
  4. Step 4: Simplify right side
    15,565.42x = 155,964,773.92
  5. Step 5: Solve for x
    x = 155,964,773.92/15,565.42
  6. Step 6: Final answer
    x = 10,019.95

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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.