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Finding the Fourth Proportional to 39,506.80, 59,238.60 and 16,106.80

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Solution

The fourth proportional to 39,506.80, 59,238.60 and 16,106.80 is: 24,151.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,506.80 : 59,238.60 = 16,106.80 : x
  2. Step 2: Convert to fraction form
    39,506.80/59,238.60 = 16,106.80/x
  3. Step 3: Cross multiply
    39,506.80x = 59,238.60 × 16,106.80
  4. Step 4: Simplify right side
    39,506.80x = 954,144,282.48
  5. Step 5: Solve for x
    x = 954,144,282.48/39,506.80
  6. Step 6: Final answer
    x = 24,151.39

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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.