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Finding the Fourth Proportional to 25,174.80, 34,736.04 and 15,100.56

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Solution

The fourth proportional to 25,174.80, 34,736.04 and 15,100.56 is: 20,835.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,174.80 : 34,736.04 = 15,100.56 : x
  2. Step 2: Convert to fraction form
    25,174.80/34,736.04 = 15,100.56/x
  3. Step 3: Cross multiply
    25,174.80x = 34,736.04 × 15,100.56
  4. Step 4: Simplify right side
    25,174.80x = 524,533,656.18
  5. Step 5: Solve for x
    x = 524,533,656.18/25,174.80
  6. Step 6: Final answer
    x = 20,835.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.