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Finding the Fourth Proportional to 72,455.67, 108,683.01 and 22,535.79

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Solution

The fourth proportional to 72,455.67, 108,683.01 and 22,535.79 is: 33,803.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,455.67 : 108,683.01 = 22,535.79 : x
  2. Step 2: Convert to fraction form
    72,455.67/108,683.01 = 22,535.79/x
  3. Step 3: Cross multiply
    72,455.67x = 108,683.01 × 22,535.79
  4. Step 4: Simplify right side
    72,455.67x = 2,449,257,489.93
  5. Step 5: Solve for x
    x = 2,449,257,489.93/72,455.67
  6. Step 6: Final answer
    x = 33,803.53

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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.