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Finding the Fourth Proportional to 57,812.69, 79,794.38 and 35,146.88

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Solution

The fourth proportional to 57,812.69, 79,794.38 and 35,146.88 is: 48,510.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,812.69 : 79,794.38 = 35,146.88 : x
  2. Step 2: Convert to fraction form
    57,812.69/79,794.38 = 35,146.88/x
  3. Step 3: Cross multiply
    57,812.69x = 79,794.38 × 35,146.88
  4. Step 4: Simplify right side
    57,812.69x = 2,804,522,923.83
  5. Step 5: Solve for x
    x = 2,804,522,923.83/57,812.69
  6. Step 6: Final answer
    x = 48,510.51

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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.