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Finding the Fourth Proportional to 7,410.93, 11,063.57 and 7,151.38

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Solution

The fourth proportional to 7,410.93, 11,063.57 and 7,151.38 is: 10,676.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,410.93 : 11,063.57 = 7,151.38 : x
  2. Step 2: Convert to fraction form
    7,410.93/11,063.57 = 7,151.38/x
  3. Step 3: Cross multiply
    7,410.93x = 11,063.57 × 7,151.38
  4. Step 4: Simplify right side
    7,410.93x = 79,119,793.23
  5. Step 5: Solve for x
    x = 79,119,793.23/7,410.93
  6. Step 6: Final answer
    x = 10,676.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.