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Finding the Fourth Proportional to 24,550.16, 36,836.16 and 12,860.64

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Solution

The fourth proportional to 24,550.16, 36,836.16 and 12,860.64 is: 19,296.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,550.16 : 36,836.16 = 12,860.64 : x
  2. Step 2: Convert to fraction form
    24,550.16/36,836.16 = 12,860.64/x
  3. Step 3: Cross multiply
    24,550.16x = 36,836.16 × 12,860.64
  4. Step 4: Simplify right side
    24,550.16x = 473,736,592.74
  5. Step 5: Solve for x
    x = 473,736,592.74/24,550.16
  6. Step 6: Final answer
    x = 19,296.68

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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.