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Finding the Fourth Proportional to 70,504.92, 105,757.38 and 41,127.84

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Solution

The fourth proportional to 70,504.92, 105,757.38 and 41,127.84 is: 61,691.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,504.92 : 105,757.38 = 41,127.84 : x
  2. Step 2: Convert to fraction form
    70,504.92/105,757.38 = 41,127.84/x
  3. Step 3: Cross multiply
    70,504.92x = 105,757.38 × 41,127.84
  4. Step 4: Simplify right side
    70,504.92x = 4,349,572,603.46
  5. Step 5: Solve for x
    x = 4,349,572,603.46/70,504.92
  6. Step 6: Final answer
    x = 61,691.76

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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.