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Finding the Fourth Proportional to 80,496.61, 111,079.75 and 44,683.79

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Solution

The fourth proportional to 80,496.61, 111,079.75 and 44,683.79 is: 61,660.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,496.61 : 111,079.75 = 44,683.79 : x
  2. Step 2: Convert to fraction form
    80,496.61/111,079.75 = 44,683.79/x
  3. Step 3: Cross multiply
    80,496.61x = 111,079.75 × 44,683.79
  4. Step 4: Simplify right side
    80,496.61x = 4,963,463,971.69
  5. Step 5: Solve for x
    x = 4,963,463,971.69/80,496.61
  6. Step 6: Final answer
    x = 61,660.54

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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.