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Finding the Fourth Proportional to 6,616.14, 9,924.48 and 2,719.50

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Solution

The fourth proportional to 6,616.14, 9,924.48 and 2,719.50 is: 4,079.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,616.14 : 9,924.48 = 2,719.50 : x
  2. Step 2: Convert to fraction form
    6,616.14/9,924.48 = 2,719.50/x
  3. Step 3: Cross multiply
    6,616.14x = 9,924.48 × 2,719.50
  4. Step 4: Simplify right side
    6,616.14x = 26,989,623.36
  5. Step 5: Solve for x
    x = 26,989,623.36/6,616.14
  6. Step 6: Final answer
    x = 4,079.36

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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.