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Finding the Fourth Proportional to 52,092.59, 71,888.13 and 28,219.29

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Solution

The fourth proportional to 52,092.59, 71,888.13 and 28,219.29 is: 38,942.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,092.59 : 71,888.13 = 28,219.29 : x
  2. Step 2: Convert to fraction form
    52,092.59/71,888.13 = 28,219.29/x
  3. Step 3: Cross multiply
    52,092.59x = 71,888.13 × 28,219.29
  4. Step 4: Simplify right side
    52,092.59x = 2,028,631,797.81
  5. Step 5: Solve for x
    x = 2,028,631,797.81/52,092.59
  6. Step 6: Final answer
    x = 38,942.81

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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.