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Finding the Fourth Proportional to 3,009.65, 4,512.18 and 1,823.44

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Solution

The fourth proportional to 3,009.65, 4,512.18 and 1,823.44 is: 2,733.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,009.65 : 4,512.18 = 1,823.44 : x
  2. Step 2: Convert to fraction form
    3,009.65/4,512.18 = 1,823.44/x
  3. Step 3: Cross multiply
    3,009.65x = 4,512.18 × 1,823.44
  4. Step 4: Simplify right side
    3,009.65x = 8,227,689.50
  5. Step 5: Solve for x
    x = 8,227,689.50/3,009.65
  6. Step 6: Final answer
    x = 2,733.77

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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.