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Finding the Fourth Proportional to 64,149.20, 88,525.60 and 35,854.88

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Solution

The fourth proportional to 64,149.20, 88,525.60 and 35,854.88 is: 49,479.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,149.20 : 88,525.60 = 35,854.88 : x
  2. Step 2: Convert to fraction form
    64,149.20/88,525.60 = 35,854.88/x
  3. Step 3: Cross multiply
    64,149.20x = 88,525.60 × 35,854.88
  4. Step 4: Simplify right side
    64,149.20x = 3,174,074,764.93
  5. Step 5: Solve for x
    x = 3,174,074,764.93/64,149.20
  6. Step 6: Final answer
    x = 49,479.57

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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.