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Finding the Fourth Proportional to 7,793.95, 10,751.90 and 5,103.97

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Solution

The fourth proportional to 7,793.95, 10,751.90 and 5,103.97 is: 7,041.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,793.95 : 10,751.90 = 5,103.97 : x
  2. Step 2: Convert to fraction form
    7,793.95/10,751.90 = 5,103.97/x
  3. Step 3: Cross multiply
    7,793.95x = 10,751.90 × 5,103.97
  4. Step 4: Simplify right side
    7,793.95x = 54,877,333.79
  5. Step 5: Solve for x
    x = 54,877,333.79/7,793.95
  6. Step 6: Final answer
    x = 7,041.02

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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.