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Finding the Fourth Proportional to 5,292.85, 7,287.51 and 4,494.51

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Solution

The fourth proportional to 5,292.85, 7,287.51 and 4,494.51 is: 6,188.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,292.85 : 7,287.51 = 4,494.51 : x
  2. Step 2: Convert to fraction form
    5,292.85/7,287.51 = 4,494.51/x
  3. Step 3: Cross multiply
    5,292.85x = 7,287.51 × 4,494.51
  4. Step 4: Simplify right side
    5,292.85x = 32,753,786.57
  5. Step 5: Solve for x
    x = 32,753,786.57/5,292.85
  6. Step 6: Final answer
    x = 6,188.31

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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.