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Finding the Fourth Proportional to 32,398.84, 44,710.20 and 18,251.68

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Solution

The fourth proportional to 32,398.84, 44,710.20 and 18,251.68 is: 25,187.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,398.84 : 44,710.20 = 18,251.68 : x
  2. Step 2: Convert to fraction form
    32,398.84/44,710.20 = 18,251.68/x
  3. Step 3: Cross multiply
    32,398.84x = 44,710.20 × 18,251.68
  4. Step 4: Simplify right side
    32,398.84x = 816,036,263.14
  5. Step 5: Solve for x
    x = 816,036,263.14/32,398.84
  6. Step 6: Final answer
    x = 25,187.21

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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.