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Finding the Fourth Proportional to 77,480.41, 106,926.48 and 60,684.25

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Solution

The fourth proportional to 77,480.41, 106,926.48 and 60,684.25 is: 83,747.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,480.41 : 106,926.48 = 60,684.25 : x
  2. Step 2: Convert to fraction form
    77,480.41/106,926.48 = 60,684.25/x
  3. Step 3: Cross multiply
    77,480.41x = 106,926.48 × 60,684.25
  4. Step 4: Simplify right side
    77,480.41x = 6,488,753,243.94
  5. Step 5: Solve for x
    x = 6,488,753,243.94/77,480.41
  6. Step 6: Final answer
    x = 83,747.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.