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Finding the Fourth Proportional to 66,207.83, 91,375.21 and 37,532.16

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Solution

The fourth proportional to 66,207.83, 91,375.21 and 37,532.16 is: 51,799.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,207.83 : 91,375.21 = 37,532.16 : x
  2. Step 2: Convert to fraction form
    66,207.83/91,375.21 = 37,532.16/x
  3. Step 3: Cross multiply
    66,207.83x = 91,375.21 × 37,532.16
  4. Step 4: Simplify right side
    66,207.83x = 3,429,509,154.23
  5. Step 5: Solve for x
    x = 3,429,509,154.23/66,207.83
  6. Step 6: Final answer
    x = 51,799.15

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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.