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Finding the Fourth Proportional to 5,920.90, 8,878.08 and 3,724.93

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Solution

The fourth proportional to 5,920.90, 8,878.08 and 3,724.93 is: 5,585.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,920.90 : 8,878.08 = 3,724.93 : x
  2. Step 2: Convert to fraction form
    5,920.90/8,878.08 = 3,724.93/x
  3. Step 3: Cross multiply
    5,920.90x = 8,878.08 × 3,724.93
  4. Step 4: Simplify right side
    5,920.90x = 33,070,226.53
  5. Step 5: Solve for x
    x = 33,070,226.53/5,920.90
  6. Step 6: Final answer
    x = 5,585.34

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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.