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Finding the Fourth Proportional to 5,444.28, 7,507.08 and 5,323.68

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Solution

The fourth proportional to 5,444.28, 7,507.08 and 5,323.68 is: 7,340.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,444.28 : 7,507.08 = 5,323.68 : x
  2. Step 2: Convert to fraction form
    5,444.28/7,507.08 = 5,323.68/x
  3. Step 3: Cross multiply
    5,444.28x = 7,507.08 × 5,323.68
  4. Step 4: Simplify right side
    5,444.28x = 39,965,291.65
  5. Step 5: Solve for x
    x = 39,965,291.65/5,444.28
  6. Step 6: Final answer
    x = 7,340.79

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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.