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Finding the Fourth Proportional to 66,689.38, 92,027.93 and 36,468.83

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Solution

The fourth proportional to 66,689.38, 92,027.93 and 36,468.83 is: 50,325.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,689.38 : 92,027.93 = 36,468.83 : x
  2. Step 2: Convert to fraction form
    66,689.38/92,027.93 = 36,468.83/x
  3. Step 3: Cross multiply
    66,689.38x = 92,027.93 × 36,468.83
  4. Step 4: Simplify right side
    66,689.38x = 3,356,150,934.42
  5. Step 5: Solve for x
    x = 3,356,150,934.42/66,689.38
  6. Step 6: Final answer
    x = 50,325.12

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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.