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Finding the Fourth Proportional to 63,380.80, 87,461.52 and 37,194.40

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Solution

The fourth proportional to 63,380.80, 87,461.52 and 37,194.40 is: 51,325.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,380.80 : 87,461.52 = 37,194.40 : x
  2. Step 2: Convert to fraction form
    63,380.80/87,461.52 = 37,194.40/x
  3. Step 3: Cross multiply
    63,380.80x = 87,461.52 × 37,194.40
  4. Step 4: Simplify right side
    63,380.80x = 3,253,078,759.49
  5. Step 5: Solve for x
    x = 3,253,078,759.49/63,380.80
  6. Step 6: Final answer
    x = 51,325.93

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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.