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Finding the Fourth Proportional to 3,176.02, 4,764.35 and 867.54

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Solution

The fourth proportional to 3,176.02, 4,764.35 and 867.54 is: 1,301.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,176.02 : 4,764.35 = 867.54 : x
  2. Step 2: Convert to fraction form
    3,176.02/4,764.35 = 867.54/x
  3. Step 3: Cross multiply
    3,176.02x = 4,764.35 × 867.54
  4. Step 4: Simplify right side
    3,176.02x = 4,133,264.20
  5. Step 5: Solve for x
    x = 4,133,264.20/3,176.02
  6. Step 6: Final answer
    x = 1,301.40

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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.