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Finding the Fourth Proportional to 15,885.66, 23,828.66 and 4,792.44

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Solution

The fourth proportional to 15,885.66, 23,828.66 and 4,792.44 is: 7,188.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,885.66 : 23,828.66 = 4,792.44 : x
  2. Step 2: Convert to fraction form
    15,885.66/23,828.66 = 4,792.44/x
  3. Step 3: Cross multiply
    15,885.66x = 23,828.66 × 4,792.44
  4. Step 4: Simplify right side
    15,885.66x = 114,197,399.37
  5. Step 5: Solve for x
    x = 114,197,399.37/15,885.66
  6. Step 6: Final answer
    x = 7,188.71

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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.