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Finding the Fourth Proportional to 61,099.88, 91,620.84 and 23,677.40

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Solution

The fourth proportional to 61,099.88, 91,620.84 and 23,677.40 is: 35,504.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,099.88 : 91,620.84 = 23,677.40 : x
  2. Step 2: Convert to fraction form
    61,099.88/91,620.84 = 23,677.40/x
  3. Step 3: Cross multiply
    61,099.88x = 91,620.84 × 23,677.40
  4. Step 4: Simplify right side
    61,099.88x = 2,169,343,277.02
  5. Step 5: Solve for x
    x = 2,169,343,277.02/61,099.88
  6. Step 6: Final answer
    x = 35,504.87

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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.