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Finding the Fourth Proportional to 6,895.32, 9,518.27 and 6,794.07

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Solution

The fourth proportional to 6,895.32, 9,518.27 and 6,794.07 is: 9,378.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,895.32 : 9,518.27 = 6,794.07 : x
  2. Step 2: Convert to fraction form
    6,895.32/9,518.27 = 6,794.07/x
  3. Step 3: Cross multiply
    6,895.32x = 9,518.27 × 6,794.07
  4. Step 4: Simplify right side
    6,895.32x = 64,667,792.66
  5. Step 5: Solve for x
    x = 64,667,792.66/6,895.32
  6. Step 6: Final answer
    x = 9,378.50

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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.