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Finding the Fourth Proportional to 65,293.96, 90,059.01 and 59,933.42

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Solution

The fourth proportional to 65,293.96, 90,059.01 and 59,933.42 is: 82,665.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,293.96 : 90,059.01 = 59,933.42 : x
  2. Step 2: Convert to fraction form
    65,293.96/90,059.01 = 59,933.42/x
  3. Step 3: Cross multiply
    65,293.96x = 90,059.01 × 59,933.42
  4. Step 4: Simplify right side
    65,293.96x = 5,397,544,471.51
  5. Step 5: Solve for x
    x = 5,397,544,471.51/65,293.96
  6. Step 6: Final answer
    x = 82,665.30

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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.