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Finding the Fourth Proportional to 6,774.64, 10,112.38 and 6,257.93

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Solution

The fourth proportional to 6,774.64, 10,112.38 and 6,257.93 is: 9,341.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,774.64 : 10,112.38 = 6,257.93 : x
  2. Step 2: Convert to fraction form
    6,774.64/10,112.38 = 6,257.93/x
  3. Step 3: Cross multiply
    6,774.64x = 10,112.38 × 6,257.93
  4. Step 4: Simplify right side
    6,774.64x = 63,282,499.97
  5. Step 5: Solve for x
    x = 63,282,499.97/6,774.64
  6. Step 6: Final answer
    x = 9,341.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.