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Finding the Fourth Proportional to 7,169.84, 10,746.99 and 3,012.11

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Solution

The fourth proportional to 7,169.84, 10,746.99 and 3,012.11 is: 4,514.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,169.84 : 10,746.99 = 3,012.11 : x
  2. Step 2: Convert to fraction form
    7,169.84/10,746.99 = 3,012.11/x
  3. Step 3: Cross multiply
    7,169.84x = 10,746.99 × 3,012.11
  4. Step 4: Simplify right side
    7,169.84x = 32,371,062.31
  5. Step 5: Solve for x
    x = 32,371,062.31/7,169.84
  6. Step 6: Final answer
    x = 4,514.90

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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.