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Finding the Fourth Proportional to 77,663.73, 107,212.05 and 58,551.27

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Solution

The fourth proportional to 77,663.73, 107,212.05 and 58,551.27 is: 80,827.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,663.73 : 107,212.05 = 58,551.27 : x
  2. Step 2: Convert to fraction form
    77,663.73/107,212.05 = 58,551.27/x
  3. Step 3: Cross multiply
    77,663.73x = 107,212.05 × 58,551.27
  4. Step 4: Simplify right side
    77,663.73x = 6,277,401,686.80
  5. Step 5: Solve for x
    x = 6,277,401,686.80/77,663.73
  6. Step 6: Final answer
    x = 80,827.97

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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.