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Finding the Fourth Proportional to 5,812.60, 8,722.50 and 2,349.88

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Solution

The fourth proportional to 5,812.60, 8,722.50 and 2,349.88 is: 3,526.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,812.60 : 8,722.50 = 2,349.88 : x
  2. Step 2: Convert to fraction form
    5,812.60/8,722.50 = 2,349.88/x
  3. Step 3: Cross multiply
    5,812.60x = 8,722.50 × 2,349.88
  4. Step 4: Simplify right side
    5,812.60x = 20,496,828.30
  5. Step 5: Solve for x
    x = 20,496,828.30/5,812.60
  6. Step 6: Final answer
    x = 3,526.28

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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.