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Finding the Fourth Proportional to 25,988.76, 38,982.80 and 6,267.17

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Solution

The fourth proportional to 25,988.76, 38,982.80 and 6,267.17 is: 9,400.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,988.76 : 38,982.80 = 6,267.17 : x
  2. Step 2: Convert to fraction form
    25,988.76/38,982.80 = 6,267.17/x
  3. Step 3: Cross multiply
    25,988.76x = 38,982.80 × 6,267.17
  4. Step 4: Simplify right side
    25,988.76x = 244,311,608.43
  5. Step 5: Solve for x
    x = 244,311,608.43/25,988.76
  6. Step 6: Final answer
    x = 9,400.66

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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.