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Finding the Fourth Proportional to 63,536.62, 87,697.74 and 39,649.18

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Solution

The fourth proportional to 63,536.62, 87,697.74 and 39,649.18 is: 54,726.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,536.62 : 87,697.74 = 39,649.18 : x
  2. Step 2: Convert to fraction form
    63,536.62/87,697.74 = 39,649.18/x
  3. Step 3: Cross multiply
    63,536.62x = 87,697.74 × 39,649.18
  4. Step 4: Simplify right side
    63,536.62x = 3,477,143,478.85
  5. Step 5: Solve for x
    x = 3,477,143,478.85/63,536.62
  6. Step 6: Final answer
    x = 54,726.60

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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.