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Finding the Fourth Proportional to 61,206.71, 91,799.51 and 16,228.38

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Solution

The fourth proportional to 61,206.71, 91,799.51 and 16,228.38 is: 24,339.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,206.71 : 91,799.51 = 16,228.38 : x
  2. Step 2: Convert to fraction form
    61,206.71/91,799.51 = 16,228.38/x
  3. Step 3: Cross multiply
    61,206.71x = 91,799.51 × 16,228.38
  4. Step 4: Simplify right side
    61,206.71x = 1,489,757,250.95
  5. Step 5: Solve for x
    x = 1,489,757,250.95/61,206.71
  6. Step 6: Final answer
    x = 24,339.77

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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.