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Finding the Fourth Proportional to 5,878.44, 8,816.66 and 1,929.62

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Solution

The fourth proportional to 5,878.44, 8,816.66 and 1,929.62 is: 2,894.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,878.44 : 8,816.66 = 1,929.62 : x
  2. Step 2: Convert to fraction form
    5,878.44/8,816.66 = 1,929.62/x
  3. Step 3: Cross multiply
    5,878.44x = 8,816.66 × 1,929.62
  4. Step 4: Simplify right side
    5,878.44x = 17,012,803.47
  5. Step 5: Solve for x
    x = 17,012,803.47/5,878.44
  6. Step 6: Final answer
    x = 2,894.10

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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.