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Finding the Fourth Proportional to 67,253.60, 100,878.24 and 27,799.04

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Solution

The fourth proportional to 67,253.60, 100,878.24 and 27,799.04 is: 41,697.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,253.60 : 100,878.24 = 27,799.04 : x
  2. Step 2: Convert to fraction form
    67,253.60/100,878.24 = 27,799.04/x
  3. Step 3: Cross multiply
    67,253.60x = 100,878.24 × 27,799.04
  4. Step 4: Simplify right side
    67,253.60x = 2,804,318,228.89
  5. Step 5: Solve for x
    x = 2,804,318,228.89/67,253.60
  6. Step 6: Final answer
    x = 41,697.67

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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.