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Finding the Fourth Proportional to 5,973.18, 8,956.86 and 1,812.42

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Solution

The fourth proportional to 5,973.18, 8,956.86 and 1,812.42 is: 2,717.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,973.18 : 8,956.86 = 1,812.42 : x
  2. Step 2: Convert to fraction form
    5,973.18/8,956.86 = 1,812.42/x
  3. Step 3: Cross multiply
    5,973.18x = 8,956.86 × 1,812.42
  4. Step 4: Simplify right side
    5,973.18x = 16,233,592.20
  5. Step 5: Solve for x
    x = 16,233,592.20/5,973.18
  6. Step 6: Final answer
    x = 2,717.75

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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.