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Finding the Fourth Proportional to 58,884.31, 88,293.02 and 40,187

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Solution

The fourth proportional to 58,884.31, 88,293.02 and 40,187 is: 60,257.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,884.31 : 88,293.02 = 40,187 : x
  2. Step 2: Convert to fraction form
    58,884.31/88,293.02 = 40,187/x
  3. Step 3: Cross multiply
    58,884.31x = 88,293.02 × 40,187
  4. Step 4: Simplify right side
    58,884.31x = 3,548,231,594.74
  5. Step 5: Solve for x
    x = 3,548,231,594.74/58,884.31
  6. Step 6: Final answer
    x = 60,257.67

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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.