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Finding the Fourth Proportional to 8,673.77, 12,999.30 and 3,483.29

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Solution

The fourth proportional to 8,673.77, 12,999.30 and 3,483.29 is: 5,220.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,673.77 : 12,999.30 = 3,483.29 : x
  2. Step 2: Convert to fraction form
    8,673.77/12,999.30 = 3,483.29/x
  3. Step 3: Cross multiply
    8,673.77x = 12,999.30 × 3,483.29
  4. Step 4: Simplify right side
    8,673.77x = 45,280,266.70
  5. Step 5: Solve for x
    x = 45,280,266.70/8,673.77
  6. Step 6: Final answer
    x = 5,220.37

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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.