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Finding the Fourth Proportional to 6,681.80, 9,207.06 and 4,694.60

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Solution

The fourth proportional to 6,681.80, 9,207.06 and 4,694.60 is: 6,468.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,681.80 : 9,207.06 = 4,694.60 : x
  2. Step 2: Convert to fraction form
    6,681.80/9,207.06 = 4,694.60/x
  3. Step 3: Cross multiply
    6,681.80x = 9,207.06 × 4,694.60
  4. Step 4: Simplify right side
    6,681.80x = 43,223,463.88
  5. Step 5: Solve for x
    x = 43,223,463.88/6,681.80
  6. Step 6: Final answer
    x = 6,468.84

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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.