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Finding the Fourth Proportional to 58,302.59, 87,463.80 and 18,313.97

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Solution

The fourth proportional to 58,302.59, 87,463.80 and 18,313.97 is: 27,474.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,302.59 : 87,463.80 = 18,313.97 : x
  2. Step 2: Convert to fraction form
    58,302.59/87,463.80 = 18,313.97/x
  3. Step 3: Cross multiply
    58,302.59x = 87,463.80 × 18,313.97
  4. Step 4: Simplify right side
    58,302.59x = 1,601,808,971.97
  5. Step 5: Solve for x
    x = 1,601,808,971.97/58,302.59
  6. Step 6: Final answer
    x = 27,474.06

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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.