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Finding the Fourth Proportional to 23,231.60, 34,863.60 and 14,931.80

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Solution

The fourth proportional to 23,231.60, 34,863.60 and 14,931.80 is: 22,408.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,231.60 : 34,863.60 = 14,931.80 : x
  2. Step 2: Convert to fraction form
    23,231.60/34,863.60 = 14,931.80/x
  3. Step 3: Cross multiply
    23,231.60x = 34,863.60 × 14,931.80
  4. Step 4: Simplify right side
    23,231.60x = 520,576,302.48
  5. Step 5: Solve for x
    x = 520,576,302.48/23,231.60
  6. Step 6: Final answer
    x = 22,408.11

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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.