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Finding the Fourth Proportional to 58,212.60, 87,187.60 and 40,760.34

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Solution

The fourth proportional to 58,212.60, 87,187.60 and 40,760.34 is: 61,048.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,212.60 : 87,187.60 = 40,760.34 : x
  2. Step 2: Convert to fraction form
    58,212.60/87,187.60 = 40,760.34/x
  3. Step 3: Cross multiply
    58,212.60x = 87,187.60 × 40,760.34
  4. Step 4: Simplify right side
    58,212.60x = 3,553,796,219.78
  5. Step 5: Solve for x
    x = 3,553,796,219.78/58,212.60
  6. Step 6: Final answer
    x = 61,048.57

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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.