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Finding the Fourth Proportional to 5,982.17, 8,251.10 and 4,389.30

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Solution

The fourth proportional to 5,982.17, 8,251.10 and 4,389.30 is: 6,054.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,982.17 : 8,251.10 = 4,389.30 : x
  2. Step 2: Convert to fraction form
    5,982.17/8,251.10 = 4,389.30/x
  3. Step 3: Cross multiply
    5,982.17x = 8,251.10 × 4,389.30
  4. Step 4: Simplify right side
    5,982.17x = 36,216,547.74
  5. Step 5: Solve for x
    x = 36,216,547.74/5,982.17
  6. Step 6: Final answer
    x = 6,054.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.