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Finding the Fourth Proportional to 63,763.68, 87,995.78 and 35,086.31

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Solution

The fourth proportional to 63,763.68, 87,995.78 and 35,086.31 is: 48,420.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,763.68 : 87,995.78 = 35,086.31 : x
  2. Step 2: Convert to fraction form
    63,763.68/87,995.78 = 35,086.31/x
  3. Step 3: Cross multiply
    63,763.68x = 87,995.78 × 35,086.31
  4. Step 4: Simplify right side
    63,763.68x = 3,087,447,215.77
  5. Step 5: Solve for x
    x = 3,087,447,215.77/63,763.68
  6. Step 6: Final answer
    x = 48,420.15

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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.