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Finding the Fourth Proportional to 57,393.69, 79,209.71 and 34,745.16

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Solution

The fourth proportional to 57,393.69, 79,209.71 and 34,745.16 is: 47,952.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,393.69 : 79,209.71 = 34,745.16 : x
  2. Step 2: Convert to fraction form
    57,393.69/79,209.71 = 34,745.16/x
  3. Step 3: Cross multiply
    57,393.69x = 79,209.71 × 34,745.16
  4. Step 4: Simplify right side
    57,393.69x = 2,752,153,873.78
  5. Step 5: Solve for x
    x = 2,752,153,873.78/57,393.69
  6. Step 6: Final answer
    x = 47,952.20

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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.