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Finding the Fourth Proportional to 5,308.68, 7,962.14 and 1,413.16

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Solution

The fourth proportional to 5,308.68, 7,962.14 and 1,413.16 is: 2,119.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,308.68 : 7,962.14 = 1,413.16 : x
  2. Step 2: Convert to fraction form
    5,308.68/7,962.14 = 1,413.16/x
  3. Step 3: Cross multiply
    5,308.68x = 7,962.14 × 1,413.16
  4. Step 4: Simplify right side
    5,308.68x = 11,251,777.76
  5. Step 5: Solve for x
    x = 11,251,777.76/5,308.68
  6. Step 6: Final answer
    x = 2,119.51

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.