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Finding the Fourth Proportional to 59,773.36, 89,659.90 and 18,220.36

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Solution

The fourth proportional to 59,773.36, 89,659.90 and 18,220.36 is: 27,330.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,773.36 : 89,659.90 = 18,220.36 : x
  2. Step 2: Convert to fraction form
    59,773.36/89,659.90 = 18,220.36/x
  3. Step 3: Cross multiply
    59,773.36x = 89,659.90 × 18,220.36
  4. Step 4: Simplify right side
    59,773.36x = 1,633,635,655.56
  5. Step 5: Solve for x
    x = 1,633,635,655.56/59,773.36
  6. Step 6: Final answer
    x = 27,330.50

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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.