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Finding the Fourth Proportional to 1,552.06, 2,326.53 and 859.04

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Solution

The fourth proportional to 1,552.06, 2,326.53 and 859.04 is: 1,287.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,552.06 : 2,326.53 = 859.04 : x
  2. Step 2: Convert to fraction form
    1,552.06/2,326.53 = 859.04/x
  3. Step 3: Cross multiply
    1,552.06x = 2,326.53 × 859.04
  4. Step 4: Simplify right side
    1,552.06x = 1,998,570.70
  5. Step 5: Solve for x
    x = 1,998,570.70/1,552.06
  6. Step 6: Final answer
    x = 1,287.69

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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.