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Finding the Fourth Proportional to 5,918.06, 8,870.03 and 2,751.22

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Solution

The fourth proportional to 5,918.06, 8,870.03 and 2,751.22 is: 4,123.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,918.06 : 8,870.03 = 2,751.22 : x
  2. Step 2: Convert to fraction form
    5,918.06/8,870.03 = 2,751.22/x
  3. Step 3: Cross multiply
    5,918.06x = 8,870.03 × 2,751.22
  4. Step 4: Simplify right side
    5,918.06x = 24,403,403.94
  5. Step 5: Solve for x
    x = 24,403,403.94/5,918.06
  6. Step 6: Final answer
    x = 4,123.55

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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.