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Finding the Fourth Proportional to 3,992.04, 5,508.54 and 2,223.54

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Solution

The fourth proportional to 3,992.04, 5,508.54 and 2,223.54 is: 3,068.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,992.04 : 5,508.54 = 2,223.54 : x
  2. Step 2: Convert to fraction form
    3,992.04/5,508.54 = 2,223.54/x
  3. Step 3: Cross multiply
    3,992.04x = 5,508.54 × 2,223.54
  4. Step 4: Simplify right side
    3,992.04x = 12,248,459.03
  5. Step 5: Solve for x
    x = 12,248,459.03/3,992.04
  6. Step 6: Final answer
    x = 3,068.22

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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.