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Finding the Fourth Proportional to 8,433, 12,655.17 and 5,058.54

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Solution

The fourth proportional to 8,433, 12,655.17 and 5,058.54 is: 7,591.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,433 : 12,655.17 = 5,058.54 : x
  2. Step 2: Convert to fraction form
    8,433/12,655.17 = 5,058.54/x
  3. Step 3: Cross multiply
    8,433x = 12,655.17 × 5,058.54
  4. Step 4: Simplify right side
    8,433x = 64,016,683.65
  5. Step 5: Solve for x
    x = 64,016,683.65/8,433
  6. Step 6: Final answer
    x = 7,591.21

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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.