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Finding the Fourth Proportional to 8,873.10, 13,311.68 and 3,029.63

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Solution

The fourth proportional to 8,873.10, 13,311.68 and 3,029.63 is: 4,545.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,873.10 : 13,311.68 = 3,029.63 : x
  2. Step 2: Convert to fraction form
    8,873.10/13,311.68 = 3,029.63/x
  3. Step 3: Cross multiply
    8,873.10x = 13,311.68 × 3,029.63
  4. Step 4: Simplify right side
    8,873.10x = 40,329,383.37
  5. Step 5: Solve for x
    x = 40,329,383.37/8,873.10
  6. Step 6: Final answer
    x = 4,545.13

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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.