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Finding the Fourth Proportional to 72,803.25, 109,204.79 and 22,887.71

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Solution

The fourth proportional to 72,803.25, 109,204.79 and 22,887.71 is: 34,331.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,803.25 : 109,204.79 = 22,887.71 : x
  2. Step 2: Convert to fraction form
    72,803.25/109,204.79 = 22,887.71/x
  3. Step 3: Cross multiply
    72,803.25x = 109,204.79 × 22,887.71
  4. Step 4: Simplify right side
    72,803.25x = 2,499,446,903.67
  5. Step 5: Solve for x
    x = 2,499,446,903.67/72,803.25
  6. Step 6: Final answer
    x = 34,331.53

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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.