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Finding the Fourth Proportional to 24,868.69, 34,318.80 and 13,690.69

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Solution

The fourth proportional to 24,868.69, 34,318.80 and 13,690.69 is: 18,893.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,868.69 : 34,318.80 = 13,690.69 : x
  2. Step 2: Convert to fraction form
    24,868.69/34,318.80 = 13,690.69/x
  3. Step 3: Cross multiply
    24,868.69x = 34,318.80 × 13,690.69
  4. Step 4: Simplify right side
    24,868.69x = 469,847,966.18
  5. Step 5: Solve for x
    x = 469,847,966.18/24,868.69
  6. Step 6: Final answer
    x = 18,893.15

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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.