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Finding the Fourth Proportional to 2,276.69, 3,413.88 and 888.95

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Solution

The fourth proportional to 2,276.69, 3,413.88 and 888.95 is: 1,332.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,276.69 : 3,413.88 = 888.95 : x
  2. Step 2: Convert to fraction form
    2,276.69/3,413.88 = 888.95/x
  3. Step 3: Cross multiply
    2,276.69x = 3,413.88 × 888.95
  4. Step 4: Simplify right side
    2,276.69x = 3,034,777.16
  5. Step 5: Solve for x
    x = 3,034,777.16/2,276.69
  6. Step 6: Final answer
    x = 1,332.98

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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.