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Finding the Fourth Proportional to 6,755.53, 9,322.78 and 4,237.74

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Solution

The fourth proportional to 6,755.53, 9,322.78 and 4,237.74 is: 5,848.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,755.53 : 9,322.78 = 4,237.74 : x
  2. Step 2: Convert to fraction form
    6,755.53/9,322.78 = 4,237.74/x
  3. Step 3: Cross multiply
    6,755.53x = 9,322.78 × 4,237.74
  4. Step 4: Simplify right side
    6,755.53x = 39,507,517.72
  5. Step 5: Solve for x
    x = 39,507,517.72/6,755.53
  6. Step 6: Final answer
    x = 5,848.17

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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.