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Finding the Fourth Proportional to 1,597.47, 2,394.76 and 571.23

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Solution

The fourth proportional to 1,597.47, 2,394.76 and 571.23 is: 856.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,597.47 : 2,394.76 = 571.23 : x
  2. Step 2: Convert to fraction form
    1,597.47/2,394.76 = 571.23/x
  3. Step 3: Cross multiply
    1,597.47x = 2,394.76 × 571.23
  4. Step 4: Simplify right side
    1,597.47x = 1,367,958.75
  5. Step 5: Solve for x
    x = 1,367,958.75/1,597.47
  6. Step 6: Final answer
    x = 856.33

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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.