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Finding the Fourth Proportional to 24,021.40, 36,030.90 and 12,335.80

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Solution

The fourth proportional to 24,021.40, 36,030.90 and 12,335.80 is: 18,503.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,021.40 : 36,030.90 = 12,335.80 : x
  2. Step 2: Convert to fraction form
    24,021.40/36,030.90 = 12,335.80/x
  3. Step 3: Cross multiply
    24,021.40x = 36,030.90 × 12,335.80
  4. Step 4: Simplify right side
    24,021.40x = 444,469,976.22
  5. Step 5: Solve for x
    x = 444,469,976.22/24,021.40
  6. Step 6: Final answer
    x = 18,503.08

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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.