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Finding the Fourth Proportional to 35,711.79, 53,553.79 and 19,062.73

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Solution

The fourth proportional to 35,711.79, 53,553.79 and 19,062.73 is: 28,586.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,711.79 : 53,553.79 = 19,062.73 : x
  2. Step 2: Convert to fraction form
    35,711.79/53,553.79 = 19,062.73/x
  3. Step 3: Cross multiply
    35,711.79x = 53,553.79 × 19,062.73
  4. Step 4: Simplify right side
    35,711.79x = 1,020,881,439.25
  5. Step 5: Solve for x
    x = 1,020,881,439.25/35,711.79
  6. Step 6: Final answer
    x = 28,586.68

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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.