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Finding the Fourth Proportional to 7,823.78, 10,794.12 and 4,464.17

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Solution

The fourth proportional to 7,823.78, 10,794.12 and 4,464.17 is: 6,159.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,823.78 : 10,794.12 = 4,464.17 : x
  2. Step 2: Convert to fraction form
    7,823.78/10,794.12 = 4,464.17/x
  3. Step 3: Cross multiply
    7,823.78x = 10,794.12 × 4,464.17
  4. Step 4: Simplify right side
    7,823.78x = 48,186,786.68
  5. Step 5: Solve for x
    x = 48,186,786.68/7,823.78
  6. Step 6: Final answer
    x = 6,159.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.