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Finding the Fourth Proportional to 25,665.04, 38,500 and 10,079.04

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Solution

The fourth proportional to 25,665.04, 38,500 and 10,079.04 is: 15,119.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,665.04 : 38,500 = 10,079.04 : x
  2. Step 2: Convert to fraction form
    25,665.04/38,500 = 10,079.04/x
  3. Step 3: Cross multiply
    25,665.04x = 38,500 × 10,079.04
  4. Step 4: Simplify right side
    25,665.04x = 388,043,040.00
  5. Step 5: Solve for x
    x = 388,043,040.00/25,665.04
  6. Step 6: Final answer
    x = 15,119.52

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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.