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Finding the Fourth Proportional to 52,754.04, 79,122.51 and 19,489.77

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Solution

The fourth proportional to 52,754.04, 79,122.51 and 19,489.77 is: 29,231.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,754.04 : 79,122.51 = 19,489.77 : x
  2. Step 2: Convert to fraction form
    52,754.04/79,122.51 = 19,489.77/x
  3. Step 3: Cross multiply
    52,754.04x = 79,122.51 × 19,489.77
  4. Step 4: Simplify right side
    52,754.04x = 1,542,079,521.72
  5. Step 5: Solve for x
    x = 1,542,079,521.72/52,754.04
  6. Step 6: Final answer
    x = 29,231.50

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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.