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Finding the Fourth Proportional to 66,742.62, 100,125.47 and 22,373.65

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Solution

The fourth proportional to 66,742.62, 100,125.47 and 22,373.65 is: 33,564.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,742.62 : 100,125.47 = 22,373.65 : x
  2. Step 2: Convert to fraction form
    66,742.62/100,125.47 = 22,373.65/x
  3. Step 3: Cross multiply
    66,742.62x = 100,125.47 × 22,373.65
  4. Step 4: Simplify right side
    66,742.62x = 2,240,172,221.87
  5. Step 5: Solve for x
    x = 2,240,172,221.87/66,742.62
  6. Step 6: Final answer
    x = 33,564.34

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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.