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Finding the Fourth Proportional to 66,991.52, 92,452.96 and 44,291.04

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Solution

The fourth proportional to 66,991.52, 92,452.96 and 44,291.04 is: 61,124.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,991.52 : 92,452.96 = 44,291.04 : x
  2. Step 2: Convert to fraction form
    66,991.52/92,452.96 = 44,291.04/x
  3. Step 3: Cross multiply
    66,991.52x = 92,452.96 × 44,291.04
  4. Step 4: Simplify right side
    66,991.52x = 4,094,837,749.48
  5. Step 5: Solve for x
    x = 4,094,837,749.48/66,991.52
  6. Step 6: Final answer
    x = 61,124.72

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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.