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Finding the Fourth Proportional to 5,305.92, 7,323.03 and 5,165.52

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Solution

The fourth proportional to 5,305.92, 7,323.03 and 5,165.52 is: 7,129.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,305.92 : 7,323.03 = 5,165.52 : x
  2. Step 2: Convert to fraction form
    5,305.92/7,323.03 = 5,165.52/x
  3. Step 3: Cross multiply
    5,305.92x = 7,323.03 × 5,165.52
  4. Step 4: Simplify right side
    5,305.92x = 37,827,257.93
  5. Step 5: Solve for x
    x = 37,827,257.93/5,305.92
  6. Step 6: Final answer
    x = 7,129.26

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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.