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Finding the Fourth Proportional to 17,998.69, 24,838.12 and 10,040.90

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Solution

The fourth proportional to 17,998.69, 24,838.12 and 10,040.90 is: 13,856.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,998.69 : 24,838.12 = 10,040.90 : x
  2. Step 2: Convert to fraction form
    17,998.69/24,838.12 = 10,040.90/x
  3. Step 3: Cross multiply
    17,998.69x = 24,838.12 × 10,040.90
  4. Step 4: Simplify right side
    17,998.69x = 249,397,116.10
  5. Step 5: Solve for x
    x = 249,397,116.10/17,998.69
  6. Step 6: Final answer
    x = 13,856.41

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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.