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Finding the Fourth Proportional to 29,498.40, 44,269.88 and 20,116.17

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Solution

The fourth proportional to 29,498.40, 44,269.88 and 20,116.17 is: 30,189.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,498.40 : 44,269.88 = 20,116.17 : x
  2. Step 2: Convert to fraction form
    29,498.40/44,269.88 = 20,116.17/x
  3. Step 3: Cross multiply
    29,498.40x = 44,269.88 × 20,116.17
  4. Step 4: Simplify right side
    29,498.40x = 890,540,331.38
  5. Step 5: Solve for x
    x = 890,540,331.38/29,498.40
  6. Step 6: Final answer
    x = 30,189.45

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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.