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Finding the Fourth Proportional to 57,838.47, 79,786.23 and 35,184.39

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Solution

The fourth proportional to 57,838.47, 79,786.23 and 35,184.39 is: 48,535.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,838.47 : 79,786.23 = 35,184.39 : x
  2. Step 2: Convert to fraction form
    57,838.47/79,786.23 = 35,184.39/x
  3. Step 3: Cross multiply
    57,838.47x = 79,786.23 × 35,184.39
  4. Step 4: Simplify right side
    57,838.47x = 2,807,229,832.95
  5. Step 5: Solve for x
    x = 2,807,229,832.95/57,838.47
  6. Step 6: Final answer
    x = 48,535.69

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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.