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Finding the Fourth Proportional to 61,068.99, 91,646.77 and 27,793.33

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Solution

The fourth proportional to 61,068.99, 91,646.77 and 27,793.33 is: 41,709.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,068.99 : 91,646.77 = 27,793.33 : x
  2. Step 2: Convert to fraction form
    61,068.99/91,646.77 = 27,793.33/x
  3. Step 3: Cross multiply
    61,068.99x = 91,646.77 × 27,793.33
  4. Step 4: Simplify right side
    61,068.99x = 2,547,168,847.39
  5. Step 5: Solve for x
    x = 2,547,168,847.39/61,068.99
  6. Step 6: Final answer
    x = 41,709.69

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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.