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Finding the Fourth Proportional to 5,868.38, 8,802.59 and 1,764.38

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Solution

The fourth proportional to 5,868.38, 8,802.59 and 1,764.38 is: 2,646.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,868.38 : 8,802.59 = 1,764.38 : x
  2. Step 2: Convert to fraction form
    5,868.38/8,802.59 = 1,764.38/x
  3. Step 3: Cross multiply
    5,868.38x = 8,802.59 × 1,764.38
  4. Step 4: Simplify right side
    5,868.38x = 15,531,060.91
  5. Step 5: Solve for x
    x = 15,531,060.91/5,868.38
  6. Step 6: Final answer
    x = 2,646.57

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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.