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Finding the Fourth Proportional to 63,865.19, 88,133.99 and 35,570.88

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Solution

The fourth proportional to 63,865.19, 88,133.99 and 35,570.88 is: 49,087.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,865.19 : 88,133.99 = 35,570.88 : x
  2. Step 2: Convert to fraction form
    63,865.19/88,133.99 = 35,570.88/x
  3. Step 3: Cross multiply
    63,865.19x = 88,133.99 × 35,570.88
  4. Step 4: Simplify right side
    63,865.19x = 3,135,003,404.36
  5. Step 5: Solve for x
    x = 3,135,003,404.36/63,865.19
  6. Step 6: Final answer
    x = 49,087.83

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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.