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Finding the Fourth Proportional to 15,069.53, 22,618.31 and 7,679.54

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Solution

The fourth proportional to 15,069.53, 22,618.31 and 7,679.54 is: 11,526.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,069.53 : 22,618.31 = 7,679.54 : x
  2. Step 2: Convert to fraction form
    15,069.53/22,618.31 = 7,679.54/x
  3. Step 3: Cross multiply
    15,069.53x = 22,618.31 × 7,679.54
  4. Step 4: Simplify right side
    15,069.53x = 173,698,234.53
  5. Step 5: Solve for x
    x = 173,698,234.53/15,069.53
  6. Step 6: Final answer
    x = 11,526.45

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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.