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Finding the Fourth Proportional to 69,017.92, 103,551.18 and 33,982.18

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Solution

The fourth proportional to 69,017.92, 103,551.18 and 33,982.18 is: 50,985.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,017.92 : 103,551.18 = 33,982.18 : x
  2. Step 2: Convert to fraction form
    69,017.92/103,551.18 = 33,982.18/x
  3. Step 3: Cross multiply
    69,017.92x = 103,551.18 × 33,982.18
  4. Step 4: Simplify right side
    69,017.92x = 3,518,894,837.97
  5. Step 5: Solve for x
    x = 3,518,894,837.97/69,017.92
  6. Step 6: Final answer
    x = 50,985.23

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Double scale
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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.