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Finding the Fourth Proportional to 66,690.08, 92,028.87 and 36,469.52

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Solution

The fourth proportional to 66,690.08, 92,028.87 and 36,469.52 is: 50,326.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,690.08 : 92,028.87 = 36,469.52 : x
  2. Step 2: Convert to fraction form
    66,690.08/92,028.87 = 36,469.52/x
  3. Step 3: Cross multiply
    66,690.08x = 92,028.87 × 36,469.52
  4. Step 4: Simplify right side
    66,690.08x = 3,356,248,715.04
  5. Step 5: Solve for x
    x = 3,356,248,715.04/66,690.08
  6. Step 6: Final answer
    x = 50,326.06

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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.