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Finding the Fourth Proportional to 1,552.70, 2,326.70 and 1,224.02

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Solution

The fourth proportional to 1,552.70, 2,326.70 and 1,224.02 is: 1,834.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,552.70 : 2,326.70 = 1,224.02 : x
  2. Step 2: Convert to fraction form
    1,552.70/2,326.70 = 1,224.02/x
  3. Step 3: Cross multiply
    1,552.70x = 2,326.70 × 1,224.02
  4. Step 4: Simplify right side
    1,552.70x = 2,847,927.33
  5. Step 5: Solve for x
    x = 2,847,927.33/1,552.70
  6. Step 6: Final answer
    x = 1,834.18

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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.