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Finding the Fourth Proportional to 32,356.80, 48,542.13 and 18,323.46

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Solution

The fourth proportional to 32,356.80, 48,542.13 and 18,323.46 is: 27,489.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,356.80 : 48,542.13 = 18,323.46 : x
  2. Step 2: Convert to fraction form
    32,356.80/48,542.13 = 18,323.46/x
  3. Step 3: Cross multiply
    32,356.80x = 48,542.13 × 18,323.46
  4. Step 4: Simplify right side
    32,356.80x = 889,459,777.37
  5. Step 5: Solve for x
    x = 889,459,777.37/32,356.80
  6. Step 6: Final answer
    x = 27,489.11

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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.