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Finding the Fourth Proportional to 3,868.91, 5,802.62 and 1,094.91

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Solution

The fourth proportional to 3,868.91, 5,802.62 and 1,094.91 is: 1,642.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,868.91 : 5,802.62 = 1,094.91 : x
  2. Step 2: Convert to fraction form
    3,868.91/5,802.62 = 1,094.91/x
  3. Step 3: Cross multiply
    3,868.91x = 5,802.62 × 1,094.91
  4. Step 4: Simplify right side
    3,868.91x = 6,353,346.66
  5. Step 5: Solve for x
    x = 6,353,346.66/3,868.91
  6. Step 6: Final answer
    x = 1,642.15

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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.