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Finding the Fourth Proportional to 61,247.80, 91,806.90 and 23,793.40

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Solution

The fourth proportional to 61,247.80, 91,806.90 and 23,793.40 is: 35,664.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,247.80 : 91,806.90 = 23,793.40 : x
  2. Step 2: Convert to fraction form
    61,247.80/91,806.90 = 23,793.40/x
  3. Step 3: Cross multiply
    61,247.80x = 91,806.90 × 23,793.40
  4. Step 4: Simplify right side
    61,247.80x = 2,184,398,294.46
  5. Step 5: Solve for x
    x = 2,184,398,294.46/61,247.80
  6. Step 6: Final answer
    x = 35,664.93

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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.