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Finding the Fourth Proportional to 24,586.72, 33,929.24 and 13,408.72

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Solution

The fourth proportional to 24,586.72, 33,929.24 and 13,408.72 is: 18,503.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,586.72 : 33,929.24 = 13,408.72 : x
  2. Step 2: Convert to fraction form
    24,586.72/33,929.24 = 13,408.72/x
  3. Step 3: Cross multiply
    24,586.72x = 33,929.24 × 13,408.72
  4. Step 4: Simplify right side
    24,586.72x = 454,947,678.97
  5. Step 5: Solve for x
    x = 454,947,678.97/24,586.72
  6. Step 6: Final answer
    x = 18,503.80

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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.