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Finding the Fourth Proportional to 5,312.66, 7,967.30 and 1,753.99

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Solution

The fourth proportional to 5,312.66, 7,967.30 and 1,753.99 is: 2,630.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,312.66 : 7,967.30 = 1,753.99 : x
  2. Step 2: Convert to fraction form
    5,312.66/7,967.30 = 1,753.99/x
  3. Step 3: Cross multiply
    5,312.66x = 7,967.30 × 1,753.99
  4. Step 4: Simplify right side
    5,312.66x = 13,974,576.85
  5. Step 5: Solve for x
    x = 13,974,576.85/5,312.66
  6. Step 6: Final answer
    x = 2,630.43

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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.