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Finding the Fourth Proportional to 15,895.72, 23,847.22 and 5,507.47

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Solution

The fourth proportional to 15,895.72, 23,847.22 and 5,507.47 is: 8,262.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,895.72 : 23,847.22 = 5,507.47 : x
  2. Step 2: Convert to fraction form
    15,895.72/23,847.22 = 5,507.47/x
  3. Step 3: Cross multiply
    15,895.72x = 23,847.22 × 5,507.47
  4. Step 4: Simplify right side
    15,895.72x = 131,337,848.73
  5. Step 5: Solve for x
    x = 131,337,848.73/15,895.72
  6. Step 6: Final answer
    x = 8,262.47

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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.