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Finding the Fourth Proportional to 6,562.51, 9,844.76 and 2,118.69

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Solution

The fourth proportional to 6,562.51, 9,844.76 and 2,118.69 is: 3,178.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,562.51 : 9,844.76 = 2,118.69 : x
  2. Step 2: Convert to fraction form
    6,562.51/9,844.76 = 2,118.69/x
  3. Step 3: Cross multiply
    6,562.51x = 9,844.76 × 2,118.69
  4. Step 4: Simplify right side
    6,562.51x = 20,857,983.97
  5. Step 5: Solve for x
    x = 20,857,983.97/6,562.51
  6. Step 6: Final answer
    x = 3,178.35

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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.