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Finding the Fourth Proportional to 25,656.94, 35,412.48 and 15,049.99

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Solution

The fourth proportional to 25,656.94, 35,412.48 and 15,049.99 is: 20,772.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,656.94 : 35,412.48 = 15,049.99 : x
  2. Step 2: Convert to fraction form
    25,656.94/35,412.48 = 15,049.99/x
  3. Step 3: Cross multiply
    25,656.94x = 35,412.48 × 15,049.99
  4. Step 4: Simplify right side
    25,656.94x = 532,957,469.88
  5. Step 5: Solve for x
    x = 532,957,469.88/25,656.94
  6. Step 6: Final answer
    x = 20,772.45

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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.