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Finding the Fourth Proportional to 2,998.48, 4,497.76 and 807.04

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Solution

The fourth proportional to 2,998.48, 4,497.76 and 807.04 is: 1,210.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,998.48 : 4,497.76 = 807.04 : x
  2. Step 2: Convert to fraction form
    2,998.48/4,497.76 = 807.04/x
  3. Step 3: Cross multiply
    2,998.48x = 4,497.76 × 807.04
  4. Step 4: Simplify right side
    2,998.48x = 3,629,872.23
  5. Step 5: Solve for x
    x = 3,629,872.23/2,998.48
  6. Step 6: Final answer
    x = 1,210.57

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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.