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Finding the Fourth Proportional to 63,455.38, 87,569.03 and 35,161.67

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Solution

The fourth proportional to 63,455.38, 87,569.03 and 35,161.67 is: 48,523.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,455.38 : 87,569.03 = 35,161.67 : x
  2. Step 2: Convert to fraction form
    63,455.38/87,569.03 = 35,161.67/x
  3. Step 3: Cross multiply
    63,455.38x = 87,569.03 × 35,161.67
  4. Step 4: Simplify right side
    63,455.38x = 3,079,073,335.08
  5. Step 5: Solve for x
    x = 3,079,073,335.08/63,455.38
  6. Step 6: Final answer
    x = 48,523.44

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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.