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Finding the Fourth Proportional to 7,000.73, 10,449.86 and 6,170.37

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Solution

The fourth proportional to 7,000.73, 10,449.86 and 6,170.37 is: 9,210.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,000.73 : 10,449.86 = 6,170.37 : x
  2. Step 2: Convert to fraction form
    7,000.73/10,449.86 = 6,170.37/x
  3. Step 3: Cross multiply
    7,000.73x = 10,449.86 × 6,170.37
  4. Step 4: Simplify right side
    7,000.73x = 64,479,502.65
  5. Step 5: Solve for x
    x = 64,479,502.65/7,000.73
  6. Step 6: Final answer
    x = 9,210.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.