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Finding the Fourth Proportional to 16,843.67, 25,216.59 and 9,802.20

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Solution

The fourth proportional to 16,843.67, 25,216.59 and 9,802.20 is: 14,674.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,843.67 : 25,216.59 = 9,802.20 : x
  2. Step 2: Convert to fraction form
    16,843.67/25,216.59 = 9,802.20/x
  3. Step 3: Cross multiply
    16,843.67x = 25,216.59 × 9,802.20
  4. Step 4: Simplify right side
    16,843.67x = 247,178,058.50
  5. Step 5: Solve for x
    x = 247,178,058.50/16,843.67
  6. Step 6: Final answer
    x = 14,674.83

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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.