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Finding the Fourth Proportional to 67,574.72, 101,433.36 and 55,236.80

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Solution

The fourth proportional to 67,574.72, 101,433.36 and 55,236.80 is: 82,913.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,574.72 : 101,433.36 = 55,236.80 : x
  2. Step 2: Convert to fraction form
    67,574.72/101,433.36 = 55,236.80/x
  3. Step 3: Cross multiply
    67,574.72x = 101,433.36 × 55,236.80
  4. Step 4: Simplify right side
    67,574.72x = 5,602,854,219.65
  5. Step 5: Solve for x
    x = 5,602,854,219.65/67,574.72
  6. Step 6: Final answer
    x = 82,913.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.