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Finding the Fourth Proportional to 24,634.94, 36,918.32 and 21,339.86

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Solution

The fourth proportional to 24,634.94, 36,918.32 and 21,339.86 is: 31,980.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,634.94 : 36,918.32 = 21,339.86 : x
  2. Step 2: Convert to fraction form
    24,634.94/36,918.32 = 21,339.86/x
  3. Step 3: Cross multiply
    24,634.94x = 36,918.32 × 21,339.86
  4. Step 4: Simplify right side
    24,634.94x = 787,831,488.94
  5. Step 5: Solve for x
    x = 787,831,488.94/24,634.94
  6. Step 6: Final answer
    x = 31,980.25

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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.