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Finding the Fourth Proportional to 52,773.56, 72,826.62 and 28,574.33

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Solution

The fourth proportional to 52,773.56, 72,826.62 and 28,574.33 is: 39,432.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,773.56 : 72,826.62 = 28,574.33 : x
  2. Step 2: Convert to fraction form
    52,773.56/72,826.62 = 28,574.33/x
  3. Step 3: Cross multiply
    52,773.56x = 72,826.62 × 28,574.33
  4. Step 4: Simplify right side
    52,773.56x = 2,080,971,872.66
  5. Step 5: Solve for x
    x = 2,080,971,872.66/52,773.56
  6. Step 6: Final answer
    x = 39,432.09

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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.