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Finding the Fourth Proportional to 61,284.71, 91,927.30 and 40,503.59

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Solution

The fourth proportional to 61,284.71, 91,927.30 and 40,503.59 is: 60,755.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,284.71 : 91,927.30 = 40,503.59 : x
  2. Step 2: Convert to fraction form
    61,284.71/91,927.30 = 40,503.59/x
  3. Step 3: Cross multiply
    61,284.71x = 91,927.30 × 40,503.59
  4. Step 4: Simplify right side
    61,284.71x = 3,723,385,209.37
  5. Step 5: Solve for x
    x = 3,723,385,209.37/61,284.71
  6. Step 6: Final answer
    x = 60,755.54

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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.