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Finding the Fourth Proportional to 63,765.22, 87,995.59 and 35,086.63

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Solution

The fourth proportional to 63,765.22, 87,995.59 and 35,086.63 is: 48,419.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,765.22 : 87,995.59 = 35,086.63 : x
  2. Step 2: Convert to fraction form
    63,765.22/87,995.59 = 35,086.63/x
  3. Step 3: Cross multiply
    63,765.22x = 87,995.59 × 35,086.63
  4. Step 4: Simplify right side
    63,765.22x = 3,087,468,707.96
  5. Step 5: Solve for x
    x = 3,087,468,707.96/63,765.22
  6. Step 6: Final answer
    x = 48,419.32

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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.