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Finding the Fourth Proportional to 66,775.75, 92,150.22 and 36,148.87

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Solution

The fourth proportional to 66,775.75, 92,150.22 and 36,148.87 is: 49,885.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,775.75 : 92,150.22 = 36,148.87 : x
  2. Step 2: Convert to fraction form
    66,775.75/92,150.22 = 36,148.87/x
  3. Step 3: Cross multiply
    66,775.75x = 92,150.22 × 36,148.87
  4. Step 4: Simplify right side
    66,775.75x = 3,331,126,323.25
  5. Step 5: Solve for x
    x = 3,331,126,323.25/66,775.75
  6. Step 6: Final answer
    x = 49,885.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.