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Finding the Fourth Proportional to 5,924.78, 8,880.78 and 3,148.65

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Solution

The fourth proportional to 5,924.78, 8,880.78 and 3,148.65 is: 4,719.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,924.78 : 8,880.78 = 3,148.65 : x
  2. Step 2: Convert to fraction form
    5,924.78/8,880.78 = 3,148.65/x
  3. Step 3: Cross multiply
    5,924.78x = 8,880.78 × 3,148.65
  4. Step 4: Simplify right side
    5,924.78x = 27,962,467.95
  5. Step 5: Solve for x
    x = 27,962,467.95/5,924.78
  6. Step 6: Final answer
    x = 4,719.58

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1.5x scale

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.