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Finding the Fourth Proportional to 17,926.21, 24,737.20 and 9,859.70

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Solution

The fourth proportional to 17,926.21, 24,737.20 and 9,859.70 is: 13,605.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,926.21 : 24,737.20 = 9,859.70 : x
  2. Step 2: Convert to fraction form
    17,926.21/24,737.20 = 9,859.70/x
  3. Step 3: Cross multiply
    17,926.21x = 24,737.20 × 9,859.70
  4. Step 4: Simplify right side
    17,926.21x = 243,901,370.84
  5. Step 5: Solve for x
    x = 243,901,370.84/17,926.21
  6. Step 6: Final answer
    x = 13,605.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.