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Finding the Fourth Proportional to 5,362.88, 8,034.93 and 3,720.47

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Solution

The fourth proportional to 5,362.88, 8,034.93 and 3,720.47 is: 5,574.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,362.88 : 8,034.93 = 3,720.47 : x
  2. Step 2: Convert to fraction form
    5,362.88/8,034.93 = 3,720.47/x
  3. Step 3: Cross multiply
    5,362.88x = 8,034.93 × 3,720.47
  4. Step 4: Simplify right side
    5,362.88x = 29,893,675.84
  5. Step 5: Solve for x
    x = 29,893,675.84/5,362.88
  6. Step 6: Final answer
    x = 5,574.19

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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.