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Finding the Fourth Proportional to 7,375.13, 11,062.69 and 1,903.13

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Solution

The fourth proportional to 7,375.13, 11,062.69 and 1,903.13 is: 2,854.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,375.13 : 11,062.69 = 1,903.13 : x
  2. Step 2: Convert to fraction form
    7,375.13/11,062.69 = 1,903.13/x
  3. Step 3: Cross multiply
    7,375.13x = 11,062.69 × 1,903.13
  4. Step 4: Simplify right side
    7,375.13x = 21,053,737.22
  5. Step 5: Solve for x
    x = 21,053,737.22/7,375.13
  6. Step 6: Final answer
    x = 2,854.69

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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.