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Finding the Fourth Proportional to 58,586.40, 87,888.14 and 18,592

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Solution

The fourth proportional to 58,586.40, 87,888.14 and 18,592 is: 27,890.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,586.40 : 87,888.14 = 18,592 : x
  2. Step 2: Convert to fraction form
    58,586.40/87,888.14 = 18,592/x
  3. Step 3: Cross multiply
    58,586.40x = 87,888.14 × 18,592
  4. Step 4: Simplify right side
    58,586.40x = 1,634,016,298.88
  5. Step 5: Solve for x
    x = 1,634,016,298.88/58,586.40
  6. Step 6: Final answer
    x = 27,890.71

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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.