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Finding the Fourth Proportional to 5,071.86, 7,607.80 and 1,608.84

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Solution

The fourth proportional to 5,071.86, 7,607.80 and 1,608.84 is: 2,413.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,071.86 : 7,607.80 = 1,608.84 : x
  2. Step 2: Convert to fraction form
    5,071.86/7,607.80 = 1,608.84/x
  3. Step 3: Cross multiply
    5,071.86x = 7,607.80 × 1,608.84
  4. Step 4: Simplify right side
    5,071.86x = 12,239,754.44
  5. Step 5: Solve for x
    x = 12,239,754.44/5,071.86
  6. Step 6: Final answer
    x = 2,413.27

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Similar ratio
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1.5x scale

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.