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Finding the Fourth Proportional to 32,323.84, 44,601.60 and 21,731.20

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Solution

The fourth proportional to 32,323.84, 44,601.60 and 21,731.20 is: 29,985.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,323.84 : 44,601.60 = 21,731.20 : x
  2. Step 2: Convert to fraction form
    32,323.84/44,601.60 = 21,731.20/x
  3. Step 3: Cross multiply
    32,323.84x = 44,601.60 × 21,731.20
  4. Step 4: Simplify right side
    32,323.84x = 969,246,289.92
  5. Step 5: Solve for x
    x = 969,246,289.92/32,323.84
  6. Step 6: Final answer
    x = 29,985.49

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1.5x scale

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.