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Finding the Fourth Proportional to 17,998.40, 24,838.55 and 10,040.62

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Solution

The fourth proportional to 17,998.40, 24,838.55 and 10,040.62 is: 13,856.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,998.40 : 24,838.55 = 10,040.62 : x
  2. Step 2: Convert to fraction form
    17,998.40/24,838.55 = 10,040.62/x
  3. Step 3: Cross multiply
    17,998.40x = 24,838.55 × 10,040.62
  4. Step 4: Simplify right side
    17,998.40x = 249,394,441.90
  5. Step 5: Solve for x
    x = 249,394,441.90/17,998.40
  6. Step 6: Final answer
    x = 13,856.48

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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.