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Finding the Fourth Proportional to 82,486.26, 113,831.13 and 44,760.51

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Solution

The fourth proportional to 82,486.26, 113,831.13 and 44,760.51 is: 61,769.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,486.26 : 113,831.13 = 44,760.51 : x
  2. Step 2: Convert to fraction form
    82,486.26/113,831.13 = 44,760.51/x
  3. Step 3: Cross multiply
    82,486.26x = 113,831.13 × 44,760.51
  4. Step 4: Simplify right side
    82,486.26x = 5,095,139,432.68
  5. Step 5: Solve for x
    x = 5,095,139,432.68/82,486.26
  6. Step 6: Final answer
    x = 61,769.55

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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.