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Finding the Fourth Proportional to 5,908.56, 8,868.33 and 2,988.91

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Solution

The fourth proportional to 5,908.56, 8,868.33 and 2,988.91 is: 4,486.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,908.56 : 8,868.33 = 2,988.91 : x
  2. Step 2: Convert to fraction form
    5,908.56/8,868.33 = 2,988.91/x
  3. Step 3: Cross multiply
    5,908.56x = 8,868.33 × 2,988.91
  4. Step 4: Simplify right side
    5,908.56x = 26,506,640.22
  5. Step 5: Solve for x
    x = 26,506,640.22/5,908.56
  6. Step 6: Final answer
    x = 4,486.14

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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.