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Finding the Fourth Proportional to 5,365.71, 7,404.66 and 3,007.85

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Solution

The fourth proportional to 5,365.71, 7,404.66 and 3,007.85 is: 4,150.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,365.71 : 7,404.66 = 3,007.85 : x
  2. Step 2: Convert to fraction form
    5,365.71/7,404.66 = 3,007.85/x
  3. Step 3: Cross multiply
    5,365.71x = 7,404.66 × 3,007.85
  4. Step 4: Simplify right side
    5,365.71x = 22,272,069.56
  5. Step 5: Solve for x
    x = 22,272,069.56/5,365.71
  6. Step 6: Final answer
    x = 4,150.82

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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.