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Finding the Fourth Proportional to 58,505.46, 87,758.01 and 19,062.48

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Solution

The fourth proportional to 58,505.46, 87,758.01 and 19,062.48 is: 28,593.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,505.46 : 87,758.01 = 19,062.48 : x
  2. Step 2: Convert to fraction form
    58,505.46/87,758.01 = 19,062.48/x
  3. Step 3: Cross multiply
    58,505.46x = 87,758.01 × 19,062.48
  4. Step 4: Simplify right side
    58,505.46x = 1,672,885,310.46
  5. Step 5: Solve for x
    x = 1,672,885,310.46/58,505.46
  6. Step 6: Final answer
    x = 28,593.66

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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.