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Finding the Fourth Proportional to 25,794.17, 35,602.28 and 15,728.15

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Solution

The fourth proportional to 25,794.17, 35,602.28 and 15,728.15 is: 21,708.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,794.17 : 35,602.28 = 15,728.15 : x
  2. Step 2: Convert to fraction form
    25,794.17/35,602.28 = 15,728.15/x
  3. Step 3: Cross multiply
    25,794.17x = 35,602.28 × 15,728.15
  4. Step 4: Simplify right side
    25,794.17x = 559,958,000.18
  5. Step 5: Solve for x
    x = 559,958,000.18/25,794.17
  6. Step 6: Final answer
    x = 21,708.70

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