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Finding the Fourth Proportional to 50,823.71, 70,134.82 and 29,314.33

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Solution

The fourth proportional to 50,823.71, 70,134.82 and 29,314.33 is: 40,452.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,823.71 : 70,134.82 = 29,314.33 : x
  2. Step 2: Convert to fraction form
    50,823.71/70,134.82 = 29,314.33/x
  3. Step 3: Cross multiply
    50,823.71x = 70,134.82 × 29,314.33
  4. Step 4: Simplify right side
    50,823.71x = 2,055,955,708.60
  5. Step 5: Solve for x
    x = 2,055,955,708.60/50,823.71
  6. Step 6: Final answer
    x = 40,452.69

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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.