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Finding the Fourth Proportional to 2,449.17, 3,673.80 and 807.03

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Solution

The fourth proportional to 2,449.17, 3,673.80 and 807.03 is: 1,210.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,449.17 : 3,673.80 = 807.03 : x
  2. Step 2: Convert to fraction form
    2,449.17/3,673.80 = 807.03/x
  3. Step 3: Cross multiply
    2,449.17x = 3,673.80 × 807.03
  4. Step 4: Simplify right side
    2,449.17x = 2,964,866.81
  5. Step 5: Solve for x
    x = 2,964,866.81/2,449.17
  6. Step 6: Final answer
    x = 1,210.56

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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.