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Finding the Fourth Proportional to 57,340.71, 79,057.62 and 41,007.47

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Solution

The fourth proportional to 57,340.71, 79,057.62 and 41,007.47 is: 56,538.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,340.71 : 79,057.62 = 41,007.47 : x
  2. Step 2: Convert to fraction form
    57,340.71/79,057.62 = 41,007.47/x
  3. Step 3: Cross multiply
    57,340.71x = 79,057.62 × 41,007.47
  4. Step 4: Simplify right side
    57,340.71x = 3,241,952,585.13
  5. Step 5: Solve for x
    x = 3,241,952,585.13/57,340.71
  6. Step 6: Final answer
    x = 56,538.41

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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.