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Finding the Fourth Proportional to 61,172.83, 91,759.20 and 16,799.77

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Solution

The fourth proportional to 61,172.83, 91,759.20 and 16,799.77 is: 25,199.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,172.83 : 91,759.20 = 16,799.77 : x
  2. Step 2: Convert to fraction form
    61,172.83/91,759.20 = 16,799.77/x
  3. Step 3: Cross multiply
    61,172.83x = 91,759.20 × 16,799.77
  4. Step 4: Simplify right side
    61,172.83x = 1,541,533,455.38
  5. Step 5: Solve for x
    x = 1,541,533,455.38/61,172.83
  6. Step 6: Final answer
    x = 25,199.64

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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.