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Finding the Fourth Proportional to 66,007.40, 91,081.82 and 37,714.92

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Solution

The fourth proportional to 66,007.40, 91,081.82 and 37,714.92 is: 52,041.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,007.40 : 91,081.82 = 37,714.92 : x
  2. Step 2: Convert to fraction form
    66,007.40/91,081.82 = 37,714.92/x
  3. Step 3: Cross multiply
    66,007.40x = 91,081.82 × 37,714.92
  4. Step 4: Simplify right side
    66,007.40x = 3,435,143,554.75
  5. Step 5: Solve for x
    x = 3,435,143,554.75/66,007.40
  6. Step 6: Final answer
    x = 52,041.79

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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.