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Finding the Fourth Proportional to 5,894.79, 8,134.64 and 3,242.20

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Solution

The fourth proportional to 5,894.79, 8,134.64 and 3,242.20 is: 4,474.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,894.79 : 8,134.64 = 3,242.20 : x
  2. Step 2: Convert to fraction form
    5,894.79/8,134.64 = 3,242.20/x
  3. Step 3: Cross multiply
    5,894.79x = 8,134.64 × 3,242.20
  4. Step 4: Simplify right side
    5,894.79x = 26,374,127.47
  5. Step 5: Solve for x
    x = 26,374,127.47/5,894.79
  6. Step 6: Final answer
    x = 4,474.14

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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.