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Finding the Fourth Proportional to 36,917.76, 55,377.04 and 9,215.76

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Solution

The fourth proportional to 36,917.76, 55,377.04 and 9,215.76 is: 13,823.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,917.76 : 55,377.04 = 9,215.76 : x
  2. Step 2: Convert to fraction form
    36,917.76/55,377.04 = 9,215.76/x
  3. Step 3: Cross multiply
    36,917.76x = 55,377.04 × 9,215.76
  4. Step 4: Simplify right side
    36,917.76x = 510,341,510.15
  5. Step 5: Solve for x
    x = 510,341,510.15/36,917.76
  6. Step 6: Final answer
    x = 13,823.74

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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.