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Finding the Fourth Proportional to 16,724.40, 25,042.86 and 8,894.94

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Solution

The fourth proportional to 16,724.40, 25,042.86 and 8,894.94 is: 13,319.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,724.40 : 25,042.86 = 8,894.94 : x
  2. Step 2: Convert to fraction form
    16,724.40/25,042.86 = 8,894.94/x
  3. Step 3: Cross multiply
    16,724.40x = 25,042.86 × 8,894.94
  4. Step 4: Simplify right side
    16,724.40x = 222,754,737.13
  5. Step 5: Solve for x
    x = 222,754,737.13/16,724.40
  6. Step 6: Final answer
    x = 13,319.15

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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.