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Finding the Fourth Proportional to 7,013.66, 9,680.04 and 6,698.36

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Solution

The fourth proportional to 7,013.66, 9,680.04 and 6,698.36 is: 9,244.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,013.66 : 9,680.04 = 6,698.36 : x
  2. Step 2: Convert to fraction form
    7,013.66/9,680.04 = 6,698.36/x
  3. Step 3: Cross multiply
    7,013.66x = 9,680.04 × 6,698.36
  4. Step 4: Simplify right side
    7,013.66x = 64,840,416.93
  5. Step 5: Solve for x
    x = 64,840,416.93/7,013.66
  6. Step 6: Final answer
    x = 9,244.88

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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.