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Finding the Fourth Proportional to 6,924.72, 10,387.08 and 6,376.08

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Solution

The fourth proportional to 6,924.72, 10,387.08 and 6,376.08 is: 9,564.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,924.72 : 10,387.08 = 6,376.08 : x
  2. Step 2: Convert to fraction form
    6,924.72/10,387.08 = 6,376.08/x
  3. Step 3: Cross multiply
    6,924.72x = 10,387.08 × 6,376.08
  4. Step 4: Simplify right side
    6,924.72x = 66,228,853.05
  5. Step 5: Solve for x
    x = 66,228,853.05/6,924.72
  6. Step 6: Final answer
    x = 9,564.12

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Double scale
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Similar ratio
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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.