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Finding the Fourth Proportional to 39,472.80, 59,212.80 and 16,094.40

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Solution

The fourth proportional to 39,472.80, 59,212.80 and 16,094.40 is: 24,143.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,472.80 : 59,212.80 = 16,094.40 : x
  2. Step 2: Convert to fraction form
    39,472.80/59,212.80 = 16,094.40/x
  3. Step 3: Cross multiply
    39,472.80x = 59,212.80 × 16,094.40
  4. Step 4: Simplify right side
    39,472.80x = 952,994,488.32
  5. Step 5: Solve for x
    x = 952,994,488.32/39,472.80
  6. Step 6: Final answer
    x = 24,143.07

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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.