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Finding the Fourth Proportional to 7,498.80, 10,348.07 and 4,141.44

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Solution

The fourth proportional to 7,498.80, 10,348.07 and 4,141.44 is: 5,715.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,498.80 : 10,348.07 = 4,141.44 : x
  2. Step 2: Convert to fraction form
    7,498.80/10,348.07 = 4,141.44/x
  3. Step 3: Cross multiply
    7,498.80x = 10,348.07 × 4,141.44
  4. Step 4: Simplify right side
    7,498.80x = 42,855,890.31
  5. Step 5: Solve for x
    x = 42,855,890.31/7,498.80
  6. Step 6: Final answer
    x = 5,715.03

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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.