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Finding the Fourth Proportional to 32,455.84, 44,789.39 and 18,117.01

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Solution

The fourth proportional to 32,455.84, 44,789.39 and 18,117.01 is: 25,001.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,455.84 : 44,789.39 = 18,117.01 : x
  2. Step 2: Convert to fraction form
    32,455.84/44,789.39 = 18,117.01/x
  3. Step 3: Cross multiply
    32,455.84x = 44,789.39 × 18,117.01
  4. Step 4: Simplify right side
    32,455.84x = 811,449,735.94
  5. Step 5: Solve for x
    x = 811,449,735.94/32,455.84
  6. Step 6: Final answer
    x = 25,001.66

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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.