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Finding the Fourth Proportional to 2,673.43, 4,010.13 and 1,210.87

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Solution

The fourth proportional to 2,673.43, 4,010.13 and 1,210.87 is: 1,816.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,673.43 : 4,010.13 = 1,210.87 : x
  2. Step 2: Convert to fraction form
    2,673.43/4,010.13 = 1,210.87/x
  3. Step 3: Cross multiply
    2,673.43x = 4,010.13 × 1,210.87
  4. Step 4: Simplify right side
    2,673.43x = 4,855,746.11
  5. Step 5: Solve for x
    x = 4,855,746.11/2,673.43
  6. Step 6: Final answer
    x = 1,816.30

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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.