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Finding the Fourth Proportional to 74,681.82, 111,983.85 and 22,084.20

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Solution

The fourth proportional to 74,681.82, 111,983.85 and 22,084.20 is: 33,114.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,681.82 : 111,983.85 = 22,084.20 : x
  2. Step 2: Convert to fraction form
    74,681.82/111,983.85 = 22,084.20/x
  3. Step 3: Cross multiply
    74,681.82x = 111,983.85 × 22,084.20
  4. Step 4: Simplify right side
    74,681.82x = 2,473,073,740.17
  5. Step 5: Solve for x
    x = 2,473,073,740.17/74,681.82
  6. Step 6: Final answer
    x = 33,114.80

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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.