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Finding the Fourth Proportional to 63,965.78, 88,271.89 and 37,112.90

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Solution

The fourth proportional to 63,965.78, 88,271.89 and 37,112.90 is: 51,215.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,965.78 : 88,271.89 = 37,112.90 : x
  2. Step 2: Convert to fraction form
    63,965.78/88,271.89 = 37,112.90/x
  3. Step 3: Cross multiply
    63,965.78x = 88,271.89 × 37,112.90
  4. Step 4: Simplify right side
    63,965.78x = 3,276,025,826.38
  5. Step 5: Solve for x
    x = 3,276,025,826.38/63,965.78
  6. Step 6: Final answer
    x = 51,215.29

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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.