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Finding the Fourth Proportional to 74,655.10, 111,982.65 and 27,901.90

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Solution

The fourth proportional to 74,655.10, 111,982.65 and 27,901.90 is: 41,852.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,655.10 : 111,982.65 = 27,901.90 : x
  2. Step 2: Convert to fraction form
    74,655.10/111,982.65 = 27,901.90/x
  3. Step 3: Cross multiply
    74,655.10x = 111,982.65 × 27,901.90
  4. Step 4: Simplify right side
    74,655.10x = 3,124,528,702.04
  5. Step 5: Solve for x
    x = 3,124,528,702.04/74,655.10
  6. Step 6: Final answer
    x = 41,852.85

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Similar ratio
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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.