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Finding the Fourth Proportional to 84,812.77, 127,277.47 and 29,408.77

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Solution

The fourth proportional to 84,812.77, 127,277.47 and 29,408.77 is: 44,133.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,812.77 : 127,277.47 = 29,408.77 : x
  2. Step 2: Convert to fraction form
    84,812.77/127,277.47 = 29,408.77/x
  3. Step 3: Cross multiply
    84,812.77x = 127,277.47 × 29,408.77
  4. Step 4: Simplify right side
    84,812.77x = 3,743,073,841.41
  5. Step 5: Solve for x
    x = 3,743,073,841.41/84,812.77
  6. Step 6: Final answer
    x = 44,133.38

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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.