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Finding the Fourth Proportional to 63,794.90, 88,031.22 and 36,939.22

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Solution

The fourth proportional to 63,794.90, 88,031.22 and 36,939.22 is: 50,972.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,794.90 : 88,031.22 = 36,939.22 : x
  2. Step 2: Convert to fraction form
    63,794.90/88,031.22 = 36,939.22/x
  3. Step 3: Cross multiply
    63,794.90x = 88,031.22 × 36,939.22
  4. Step 4: Simplify right side
    63,794.90x = 3,251,804,602.45
  5. Step 5: Solve for x
    x = 3,251,804,602.45/63,794.90
  6. Step 6: Final answer
    x = 50,972.80

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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.