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Finding the Fourth Proportional to 4,873.80, 6,721.07 and 4,469.07

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Solution

The fourth proportional to 4,873.80, 6,721.07 and 4,469.07 is: 6,162.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,873.80 : 6,721.07 = 4,469.07 : x
  2. Step 2: Convert to fraction form
    4,873.80/6,721.07 = 4,469.07/x
  3. Step 3: Cross multiply
    4,873.80x = 6,721.07 × 4,469.07
  4. Step 4: Simplify right side
    4,873.80x = 30,036,909.96
  5. Step 5: Solve for x
    x = 30,036,909.96/4,873.80
  6. Step 6: Final answer
    x = 6,162.93

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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.