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Finding the Fourth Proportional to 3,706.61, 5,559.30 and 1,207.44

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Solution

The fourth proportional to 3,706.61, 5,559.30 and 1,207.44 is: 1,810.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,706.61 : 5,559.30 = 1,207.44 : x
  2. Step 2: Convert to fraction form
    3,706.61/5,559.30 = 1,207.44/x
  3. Step 3: Cross multiply
    3,706.61x = 5,559.30 × 1,207.44
  4. Step 4: Simplify right side
    3,706.61x = 6,712,521.19
  5. Step 5: Solve for x
    x = 6,712,521.19/3,706.61
  6. Step 6: Final answer
    x = 1,810.96

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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.