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Finding the Fourth Proportional to 59,021.80, 81,450.08 and 32,164.30

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Solution

The fourth proportional to 59,021.80, 81,450.08 and 32,164.30 is: 44,386.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,021.80 : 81,450.08 = 32,164.30 : x
  2. Step 2: Convert to fraction form
    59,021.80/81,450.08 = 32,164.30/x
  3. Step 3: Cross multiply
    59,021.80x = 81,450.08 × 32,164.30
  4. Step 4: Simplify right side
    59,021.80x = 2,619,784,808.14
  5. Step 5: Solve for x
    x = 2,619,784,808.14/59,021.80
  6. Step 6: Final answer
    x = 44,386.73

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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.