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Finding the Fourth Proportional to 63,378.88, 87,448.08 and 37,893.52

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Solution

The fourth proportional to 63,378.88, 87,448.08 and 37,893.52 is: 52,284.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,378.88 : 87,448.08 = 37,893.52 : x
  2. Step 2: Convert to fraction form
    63,378.88/87,448.08 = 37,893.52/x
  3. Step 3: Cross multiply
    63,378.88x = 87,448.08 × 37,893.52
  4. Step 4: Simplify right side
    63,378.88x = 3,313,715,568.44
  5. Step 5: Solve for x
    x = 3,313,715,568.44/63,378.88
  6. Step 6: Final answer
    x = 52,284.22

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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.