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Finding the Fourth Proportional to 7,356.03, 10,151.25 and 3,998.65

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Solution

The fourth proportional to 7,356.03, 10,151.25 and 3,998.65 is: 5,518.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,356.03 : 10,151.25 = 3,998.65 : x
  2. Step 2: Convert to fraction form
    7,356.03/10,151.25 = 3,998.65/x
  3. Step 3: Cross multiply
    7,356.03x = 10,151.25 × 3,998.65
  4. Step 4: Simplify right side
    7,356.03x = 40,591,259.76
  5. Step 5: Solve for x
    x = 40,591,259.76/7,356.03
  6. Step 6: Final answer
    x = 5,518.09

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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.