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Finding the Fourth Proportional to 58,378.91, 80,564.87 and 34,526.03

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Solution

The fourth proportional to 58,378.91, 80,564.87 and 34,526.03 is: 47,647.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,378.91 : 80,564.87 = 34,526.03 : x
  2. Step 2: Convert to fraction form
    58,378.91/80,564.87 = 34,526.03/x
  3. Step 3: Cross multiply
    58,378.91x = 80,564.87 × 34,526.03
  4. Step 4: Simplify right side
    58,378.91x = 2,781,585,118.57
  5. Step 5: Solve for x
    x = 2,781,585,118.57/58,378.91
  6. Step 6: Final answer
    x = 47,647.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.