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Finding the Fourth Proportional to 6,713.34, 9,264.38 and 3,729.16

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Solution

The fourth proportional to 6,713.34, 9,264.38 and 3,729.16 is: 5,146.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,713.34 : 9,264.38 = 3,729.16 : x
  2. Step 2: Convert to fraction form
    6,713.34/9,264.38 = 3,729.16/x
  3. Step 3: Cross multiply
    6,713.34x = 9,264.38 × 3,729.16
  4. Step 4: Simplify right side
    6,713.34x = 34,548,355.32
  5. Step 5: Solve for x
    x = 34,548,355.32/6,713.34
  6. Step 6: Final answer
    x = 5,146.22

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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.