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Finding the Fourth Proportional to 6,919.32, 9,525.56 and 6,601.56

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Solution

The fourth proportional to 6,919.32, 9,525.56 and 6,601.56 is: 9,088.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,919.32 : 9,525.56 = 6,601.56 : x
  2. Step 2: Convert to fraction form
    6,919.32/9,525.56 = 6,601.56/x
  3. Step 3: Cross multiply
    6,919.32x = 9,525.56 × 6,601.56
  4. Step 4: Simplify right side
    6,919.32x = 62,883,555.87
  5. Step 5: Solve for x
    x = 62,883,555.87/6,919.32
  6. Step 6: Final answer
    x = 9,088.11

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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.