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Finding the Fourth Proportional to 48,201.99, 72,302.21 and 13,141.65

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Solution

The fourth proportional to 48,201.99, 72,302.21 and 13,141.65 is: 19,712.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,201.99 : 72,302.21 = 13,141.65 : x
  2. Step 2: Convert to fraction form
    48,201.99/72,302.21 = 13,141.65/x
  3. Step 3: Cross multiply
    48,201.99x = 72,302.21 × 13,141.65
  4. Step 4: Simplify right side
    48,201.99x = 950,170,121.34
  5. Step 5: Solve for x
    x = 950,170,121.34/48,201.99
  6. Step 6: Final answer
    x = 19,712.26

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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.