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Finding the Fourth Proportional to 1,597.55, 2,394.19 and 671.99

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Solution

The fourth proportional to 1,597.55, 2,394.19 and 671.99 is: 1,007.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,597.55 : 2,394.19 = 671.99 : x
  2. Step 2: Convert to fraction form
    1,597.55/2,394.19 = 671.99/x
  3. Step 3: Cross multiply
    1,597.55x = 2,394.19 × 671.99
  4. Step 4: Simplify right side
    1,597.55x = 1,608,860.61
  5. Step 5: Solve for x
    x = 1,608,860.61/1,597.55
  6. Step 6: Final answer
    x = 1,007.08

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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.