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Finding the Fourth Proportional to 66,009.49, 91,097.92 and 37,714.57

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Solution

The fourth proportional to 66,009.49, 91,097.92 and 37,714.57 is: 52,048.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,009.49 : 91,097.92 = 37,714.57 : x
  2. Step 2: Convert to fraction form
    66,009.49/91,097.92 = 37,714.57/x
  3. Step 3: Cross multiply
    66,009.49x = 91,097.92 × 37,714.57
  4. Step 4: Simplify right side
    66,009.49x = 3,435,718,692.12
  5. Step 5: Solve for x
    x = 3,435,718,692.12/66,009.49
  6. Step 6: Final answer
    x = 52,048.86

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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.