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Finding the Fourth Proportional to 74,704.10, 112,056.15 and 27,950.90

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Solution

The fourth proportional to 74,704.10, 112,056.15 and 27,950.90 is: 41,926.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,704.10 : 112,056.15 = 27,950.90 : x
  2. Step 2: Convert to fraction form
    74,704.10/112,056.15 = 27,950.90/x
  3. Step 3: Cross multiply
    74,704.10x = 112,056.15 × 27,950.90
  4. Step 4: Simplify right side
    74,704.10x = 3,132,070,243.04
  5. Step 5: Solve for x
    x = 3,132,070,243.04/74,704.10
  6. Step 6: Final answer
    x = 41,926.35

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Double scale
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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.