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Finding the Fourth Proportional to 15,894.54, 23,839.02 and 8,881.56

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Solution

The fourth proportional to 15,894.54, 23,839.02 and 8,881.56 is: 13,320.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,894.54 : 23,839.02 = 8,881.56 : x
  2. Step 2: Convert to fraction form
    15,894.54/23,839.02 = 8,881.56/x
  3. Step 3: Cross multiply
    15,894.54x = 23,839.02 × 8,881.56
  4. Step 4: Simplify right side
    15,894.54x = 211,727,686.47
  5. Step 5: Solve for x
    x = 211,727,686.47/15,894.54
  6. Step 6: Final answer
    x = 13,320.78

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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.