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Finding the Fourth Proportional to 59,231.28, 88,881.92 and 21,817.65

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Solution

The fourth proportional to 59,231.28, 88,881.92 and 21,817.65 is: 32,739.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,231.28 : 88,881.92 = 21,817.65 : x
  2. Step 2: Convert to fraction form
    59,231.28/88,881.92 = 21,817.65/x
  3. Step 3: Cross multiply
    59,231.28x = 88,881.92 × 21,817.65
  4. Step 4: Simplify right side
    59,231.28x = 1,939,194,621.89
  5. Step 5: Solve for x
    x = 1,939,194,621.89/59,231.28
  6. Step 6: Final answer
    x = 32,739.37

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1.5x scale

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.