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Finding the Fourth Proportional to 25,388.28, 35,036.20 and 14,627.22

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Solution

The fourth proportional to 25,388.28, 35,036.20 and 14,627.22 is: 20,185.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,388.28 : 35,036.20 = 14,627.22 : x
  2. Step 2: Convert to fraction form
    25,388.28/35,036.20 = 14,627.22/x
  3. Step 3: Cross multiply
    25,388.28x = 35,036.20 × 14,627.22
  4. Step 4: Simplify right side
    25,388.28x = 512,482,117.77
  5. Step 5: Solve for x
    x = 512,482,117.77/25,388.28
  6. Step 6: Final answer
    x = 20,185.77

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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.