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Finding the Fourth Proportional to 58,790.81, 88,239.27 and 39,769.44

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Solution

The fourth proportional to 58,790.81, 88,239.27 and 39,769.44 is: 59,690.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,790.81 : 88,239.27 = 39,769.44 : x
  2. Step 2: Convert to fraction form
    58,790.81/88,239.27 = 39,769.44/x
  3. Step 3: Cross multiply
    58,790.81x = 88,239.27 × 39,769.44
  4. Step 4: Simplify right side
    58,790.81x = 3,509,226,353.91
  5. Step 5: Solve for x
    x = 3,509,226,353.91/58,790.81
  6. Step 6: Final answer
    x = 59,690.05

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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.