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Finding the Fourth Proportional to 11,360.95, 17,035.76 and 7,197.78

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Solution

The fourth proportional to 11,360.95, 17,035.76 and 7,197.78 is: 10,793.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,360.95 : 17,035.76 = 7,197.78 : x
  2. Step 2: Convert to fraction form
    11,360.95/17,035.76 = 7,197.78/x
  3. Step 3: Cross multiply
    11,360.95x = 17,035.76 × 7,197.78
  4. Step 4: Simplify right side
    11,360.95x = 122,619,680.51
  5. Step 5: Solve for x
    x = 122,619,680.51/11,360.95
  6. Step 6: Final answer
    x = 10,793.09

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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.