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Finding the Fourth Proportional to 8,474.41, 12,702.50 and 3,541.51

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Solution

The fourth proportional to 8,474.41, 12,702.50 and 3,541.51 is: 5,308.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,474.41 : 12,702.50 = 3,541.51 : x
  2. Step 2: Convert to fraction form
    8,474.41/12,702.50 = 3,541.51/x
  3. Step 3: Cross multiply
    8,474.41x = 12,702.50 × 3,541.51
  4. Step 4: Simplify right side
    8,474.41x = 44,986,030.78
  5. Step 5: Solve for x
    x = 44,986,030.78/8,474.41
  6. Step 6: Final answer
    x = 5,308.46

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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.