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Finding the Fourth Proportional to 58,227.96, 87,337.62 and 20,783.76

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Solution

The fourth proportional to 58,227.96, 87,337.62 and 20,783.76 is: 31,174.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,227.96 : 87,337.62 = 20,783.76 : x
  2. Step 2: Convert to fraction form
    58,227.96/87,337.62 = 20,783.76/x
  3. Step 3: Cross multiply
    58,227.96x = 87,337.62 × 20,783.76
  4. Step 4: Simplify right side
    58,227.96x = 1,815,204,133.05
  5. Step 5: Solve for x
    x = 1,815,204,133.05/58,227.96
  6. Step 6: Final answer
    x = 31,174.10

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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.