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Finding the Fourth Proportional to 63,649.40, 95,328.68 and 30,392.76

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Solution

The fourth proportional to 63,649.40, 95,328.68 and 30,392.76 is: 45,519.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,649.40 : 95,328.68 = 30,392.76 : x
  2. Step 2: Convert to fraction form
    63,649.40/95,328.68 = 30,392.76/x
  3. Step 3: Cross multiply
    63,649.40x = 95,328.68 × 30,392.76
  4. Step 4: Simplify right side
    63,649.40x = 2,897,301,540.39
  5. Step 5: Solve for x
    x = 2,897,301,540.39/63,649.40
  6. Step 6: Final answer
    x = 45,519.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.