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Finding the Fourth Proportional to 39,352.50, 59,030.37 and 11,650.50

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Solution

The fourth proportional to 39,352.50, 59,030.37 and 11,650.50 is: 17,476.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,352.50 : 59,030.37 = 11,650.50 : x
  2. Step 2: Convert to fraction form
    39,352.50/59,030.37 = 11,650.50/x
  3. Step 3: Cross multiply
    39,352.50x = 59,030.37 × 11,650.50
  4. Step 4: Simplify right side
    39,352.50x = 687,733,325.69
  5. Step 5: Solve for x
    x = 687,733,325.69/39,352.50
  6. Step 6: Final answer
    x = 17,476.23

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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.