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Finding the Fourth Proportional to 32,360.86, 44,671.76 and 21,756.64

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Solution

The fourth proportional to 32,360.86, 44,671.76 and 21,756.64 is: 30,033.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,360.86 : 44,671.76 = 21,756.64 : x
  2. Step 2: Convert to fraction form
    32,360.86/44,671.76 = 21,756.64/x
  3. Step 3: Cross multiply
    32,360.86x = 44,671.76 × 21,756.64
  4. Step 4: Simplify right side
    32,360.86x = 971,907,400.49
  5. Step 5: Solve for x
    x = 971,907,400.49/32,360.86
  6. Step 6: Final answer
    x = 30,033.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.