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Finding the Fourth Proportional to 15,255.51, 22,879.17 and 5,393.49

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Solution

The fourth proportional to 15,255.51, 22,879.17 and 5,393.49 is: 8,088.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,255.51 : 22,879.17 = 5,393.49 : x
  2. Step 2: Convert to fraction form
    15,255.51/22,879.17 = 5,393.49/x
  3. Step 3: Cross multiply
    15,255.51x = 22,879.17 × 5,393.49
  4. Step 4: Simplify right side
    15,255.51x = 123,398,574.60
  5. Step 5: Solve for x
    x = 123,398,574.60/15,255.51
  6. Step 6: Final answer
    x = 8,088.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.