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Finding the Fourth Proportional to 7,246.64, 10,857.72 and 4,648.16

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Solution

The fourth proportional to 7,246.64, 10,857.72 and 4,648.16 is: 6,964.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,246.64 : 10,857.72 = 4,648.16 : x
  2. Step 2: Convert to fraction form
    7,246.64/10,857.72 = 4,648.16/x
  3. Step 3: Cross multiply
    7,246.64x = 10,857.72 × 4,648.16
  4. Step 4: Simplify right side
    7,246.64x = 50,468,419.80
  5. Step 5: Solve for x
    x = 50,468,419.80/7,246.64
  6. Step 6: Final answer
    x = 6,964.39

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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.