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Finding the Fourth Proportional to 5,820.36, 8,727.06 and 3,948.56

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Solution

The fourth proportional to 5,820.36, 8,727.06 and 3,948.56 is: 5,920.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,820.36 : 8,727.06 = 3,948.56 : x
  2. Step 2: Convert to fraction form
    5,820.36/8,727.06 = 3,948.56/x
  3. Step 3: Cross multiply
    5,820.36x = 8,727.06 × 3,948.56
  4. Step 4: Simplify right side
    5,820.36x = 34,459,320.03
  5. Step 5: Solve for x
    x = 34,459,320.03/5,820.36
  6. Step 6: Final answer
    x = 5,920.48

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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.