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Finding the Fourth Proportional to 8,793.22, 12,134.79 and 5,435.95

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Solution

The fourth proportional to 8,793.22, 12,134.79 and 5,435.95 is: 7,501.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,793.22 : 12,134.79 = 5,435.95 : x
  2. Step 2: Convert to fraction form
    8,793.22/12,134.79 = 5,435.95/x
  3. Step 3: Cross multiply
    8,793.22x = 12,134.79 × 5,435.95
  4. Step 4: Simplify right side
    8,793.22x = 65,964,051.03
  5. Step 5: Solve for x
    x = 65,964,051.03/8,793.22
  6. Step 6: Final answer
    x = 7,501.70

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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.