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Finding the Fourth Proportional to 1,609.74, 2,413.70 and 1,472.14

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Solution

The fourth proportional to 1,609.74, 2,413.70 and 1,472.14 is: 2,207.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609.74 : 2,413.70 = 1,472.14 : x
  2. Step 2: Convert to fraction form
    1,609.74/2,413.70 = 1,472.14/x
  3. Step 3: Cross multiply
    1,609.74x = 2,413.70 × 1,472.14
  4. Step 4: Simplify right side
    1,609.74x = 3,553,305.49
  5. Step 5: Solve for x
    x = 3,553,305.49/1,609.74
  6. Step 6: Final answer
    x = 2,207.38

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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.