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Finding the Fourth Proportional to 57,324.66, 79,106.91 and 31,829.71

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Solution

The fourth proportional to 57,324.66, 79,106.91 and 31,829.71 is: 43,924.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,324.66 : 79,106.91 = 31,829.71 : x
  2. Step 2: Convert to fraction form
    57,324.66/79,106.91 = 31,829.71/x
  3. Step 3: Cross multiply
    57,324.66x = 79,106.91 × 31,829.71
  4. Step 4: Simplify right side
    57,324.66x = 2,517,950,004.30
  5. Step 5: Solve for x
    x = 2,517,950,004.30/57,324.66
  6. Step 6: Final answer
    x = 43,924.38

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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.