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Finding the Fourth Proportional to 65,255.68, 90,050.22 and 36,959.68

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Solution

The fourth proportional to 65,255.68, 90,050.22 and 36,959.68 is: 51,002.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,255.68 : 90,050.22 = 36,959.68 : x
  2. Step 2: Convert to fraction form
    65,255.68/90,050.22 = 36,959.68/x
  3. Step 3: Cross multiply
    65,255.68x = 90,050.22 × 36,959.68
  4. Step 4: Simplify right side
    65,255.68x = 3,328,227,315.13
  5. Step 5: Solve for x
    x = 3,328,227,315.13/65,255.68
  6. Step 6: Final answer
    x = 51,002.88

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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.