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Finding the Fourth Proportional to 66,226.58, 91,394.43 and 36,013.71

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Solution

The fourth proportional to 66,226.58, 91,394.43 and 36,013.71 is: 49,699.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,226.58 : 91,394.43 = 36,013.71 : x
  2. Step 2: Convert to fraction form
    66,226.58/91,394.43 = 36,013.71/x
  3. Step 3: Cross multiply
    66,226.58x = 91,394.43 × 36,013.71
  4. Step 4: Simplify right side
    66,226.58x = 3,291,452,705.31
  5. Step 5: Solve for x
    x = 3,291,452,705.31/66,226.58
  6. Step 6: Final answer
    x = 49,699.88

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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.