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Finding the Fourth Proportional to 12,466.58, 18,700.14 and 3,702.11

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Solution

The fourth proportional to 12,466.58, 18,700.14 and 3,702.11 is: 5,553.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,466.58 : 18,700.14 = 3,702.11 : x
  2. Step 2: Convert to fraction form
    12,466.58/18,700.14 = 3,702.11/x
  3. Step 3: Cross multiply
    12,466.58x = 18,700.14 × 3,702.11
  4. Step 4: Simplify right side
    12,466.58x = 69,229,975.30
  5. Step 5: Solve for x
    x = 69,229,975.30/12,466.58
  6. Step 6: Final answer
    x = 5,553.25

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1.5x scale

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.