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Finding the Fourth Proportional to 5,908.48, 8,868.16 and 2,988.84

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Solution

The fourth proportional to 5,908.48, 8,868.16 and 2,988.84 is: 4,486.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,908.48 : 8,868.16 = 2,988.84 : x
  2. Step 2: Convert to fraction form
    5,908.48/8,868.16 = 2,988.84/x
  3. Step 3: Cross multiply
    5,908.48x = 8,868.16 × 2,988.84
  4. Step 4: Simplify right side
    5,908.48x = 26,505,511.33
  5. Step 5: Solve for x
    x = 26,505,511.33/5,908.48
  6. Step 6: Final answer
    x = 4,486.01

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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.