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Finding the Fourth Proportional to 5,281.04, 7,916.08 and 1,768.41

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Solution

The fourth proportional to 5,281.04, 7,916.08 and 1,768.41 is: 2,650.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,281.04 : 7,916.08 = 1,768.41 : x
  2. Step 2: Convert to fraction form
    5,281.04/7,916.08 = 1,768.41/x
  3. Step 3: Cross multiply
    5,281.04x = 7,916.08 × 1,768.41
  4. Step 4: Simplify right side
    5,281.04x = 13,998,875.03
  5. Step 5: Solve for x
    x = 13,998,875.03/5,281.04
  6. Step 6: Final answer
    x = 2,650.78

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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.