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Finding the Fourth Proportional to 39,463.50, 59,205.51 and 11,761.50

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Solution

The fourth proportional to 39,463.50, 59,205.51 and 11,761.50 is: 17,645.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,463.50 : 59,205.51 = 11,761.50 : x
  2. Step 2: Convert to fraction form
    39,463.50/59,205.51 = 11,761.50/x
  3. Step 3: Cross multiply
    39,463.50x = 59,205.51 × 11,761.50
  4. Step 4: Simplify right side
    39,463.50x = 696,345,605.87
  5. Step 5: Solve for x
    x = 696,345,605.87/39,463.50
  6. Step 6: Final answer
    x = 17,645.31

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1.5x scale

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.