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Finding the Fourth Proportional to 23,658.76, 35,489.94 and 13,799.02

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Solution

The fourth proportional to 23,658.76, 35,489.94 and 13,799.02 is: 20,699.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,658.76 : 35,489.94 = 13,799.02 : x
  2. Step 2: Convert to fraction form
    23,658.76/35,489.94 = 13,799.02/x
  3. Step 3: Cross multiply
    23,658.76x = 35,489.94 × 13,799.02
  4. Step 4: Simplify right side
    23,658.76x = 489,726,391.86
  5. Step 5: Solve for x
    x = 489,726,391.86/23,658.76
  6. Step 6: Final answer
    x = 20,699.58

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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.