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Finding the Fourth Proportional to 25,019.50, 37,519.84 and 10,220.51

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Solution

The fourth proportional to 25,019.50, 37,519.84 and 10,220.51 is: 15,326.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,019.50 : 37,519.84 = 10,220.51 : x
  2. Step 2: Convert to fraction form
    25,019.50/37,519.84 = 10,220.51/x
  3. Step 3: Cross multiply
    25,019.50x = 37,519.84 × 10,220.51
  4. Step 4: Simplify right side
    25,019.50x = 383,471,899.92
  5. Step 5: Solve for x
    x = 383,471,899.92/25,019.50
  6. Step 6: Final answer
    x = 15,326.92

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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.