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Finding the Fourth Proportional to 15,208.73, 22,811.30 and 4,678.73

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Solution

The fourth proportional to 15,208.73, 22,811.30 and 4,678.73 is: 7,017.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,208.73 : 22,811.30 = 4,678.73 : x
  2. Step 2: Convert to fraction form
    15,208.73/22,811.30 = 4,678.73/x
  3. Step 3: Cross multiply
    15,208.73x = 22,811.30 × 4,678.73
  4. Step 4: Simplify right side
    15,208.73x = 106,727,913.65
  5. Step 5: Solve for x
    x = 106,727,913.65/15,208.73
  6. Step 6: Final answer
    x = 7,017.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.