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Finding the Fourth Proportional to 61,223.67, 91,818.11 and 23,775.75

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Solution

The fourth proportional to 61,223.67, 91,818.11 and 23,775.75 is: 35,656.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,223.67 : 91,818.11 = 23,775.75 : x
  2. Step 2: Convert to fraction form
    61,223.67/91,818.11 = 23,775.75/x
  3. Step 3: Cross multiply
    61,223.67x = 91,818.11 × 23,775.75
  4. Step 4: Simplify right side
    61,223.67x = 2,183,043,969.74
  5. Step 5: Solve for x
    x = 2,183,043,969.74/61,223.67
  6. Step 6: Final answer
    x = 35,656.87

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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.