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Finding the Fourth Proportional to 2,025.05, 3,036.53 and 928.46

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Solution

The fourth proportional to 2,025.05, 3,036.53 and 928.46 is: 1,392.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,025.05 : 3,036.53 = 928.46 : x
  2. Step 2: Convert to fraction form
    2,025.05/3,036.53 = 928.46/x
  3. Step 3: Cross multiply
    2,025.05x = 3,036.53 × 928.46
  4. Step 4: Simplify right side
    2,025.05x = 2,819,276.82
  5. Step 5: Solve for x
    x = 2,819,276.82/2,025.05
  6. Step 6: Final answer
    x = 1,392.20

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.