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Finding the Fourth Proportional to 7,937.47, 10,953.44 and 4,793.11

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Solution

The fourth proportional to 7,937.47, 10,953.44 and 4,793.11 is: 6,614.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,937.47 : 10,953.44 = 4,793.11 : x
  2. Step 2: Convert to fraction form
    7,937.47/10,953.44 = 4,793.11/x
  3. Step 3: Cross multiply
    7,937.47x = 10,953.44 × 4,793.11
  4. Step 4: Simplify right side
    7,937.47x = 52,501,042.80
  5. Step 5: Solve for x
    x = 52,501,042.80/7,937.47
  6. Step 6: Final answer
    x = 6,614.33

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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.