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Finding the Fourth Proportional to 9,028.72, 12,460.79 and 5,050.05

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Solution

The fourth proportional to 9,028.72, 12,460.79 and 5,050.05 is: 6,969.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,028.72 : 12,460.79 = 5,050.05 : x
  2. Step 2: Convert to fraction form
    9,028.72/12,460.79 = 5,050.05/x
  3. Step 3: Cross multiply
    9,028.72x = 12,460.79 × 5,050.05
  4. Step 4: Simplify right side
    9,028.72x = 62,927,612.54
  5. Step 5: Solve for x
    x = 62,927,612.54/9,028.72
  6. Step 6: Final answer
    x = 6,969.72

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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.