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Finding the Fourth Proportional to 25,710.01, 38,554.99 and 10,919.51

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Solution

The fourth proportional to 25,710.01, 38,554.99 and 10,919.51 is: 16,375.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,710.01 : 38,554.99 = 10,919.51 : x
  2. Step 2: Convert to fraction form
    25,710.01/38,554.99 = 10,919.51/x
  3. Step 3: Cross multiply
    25,710.01x = 38,554.99 × 10,919.51
  4. Step 4: Simplify right side
    25,710.01x = 421,001,523.36
  5. Step 5: Solve for x
    x = 421,001,523.36/25,710.01
  6. Step 6: Final answer
    x = 16,375.01

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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.