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Finding the Fourth Proportional to 24,093.40, 36,140.10 and 12,429.40

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Solution

The fourth proportional to 24,093.40, 36,140.10 and 12,429.40 is: 18,644.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,093.40 : 36,140.10 = 12,429.40 : x
  2. Step 2: Convert to fraction form
    24,093.40/36,140.10 = 12,429.40/x
  3. Step 3: Cross multiply
    24,093.40x = 36,140.10 × 12,429.40
  4. Step 4: Simplify right side
    24,093.40x = 449,199,758.94
  5. Step 5: Solve for x
    x = 449,199,758.94/24,093.40
  6. Step 6: Final answer
    x = 18,644.10

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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.