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Finding the Fourth Proportional to 15,883.88, 23,818.86 and 5,351.06

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Solution

The fourth proportional to 15,883.88, 23,818.86 and 5,351.06 is: 8,024.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,883.88 : 23,818.86 = 5,351.06 : x
  2. Step 2: Convert to fraction form
    15,883.88/23,818.86 = 5,351.06/x
  3. Step 3: Cross multiply
    15,883.88x = 23,818.86 × 5,351.06
  4. Step 4: Simplify right side
    15,883.88x = 127,456,208.54
  5. Step 5: Solve for x
    x = 127,456,208.54/15,883.88
  6. Step 6: Final answer
    x = 8,024.25

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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.