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Finding the Fourth Proportional to 2,009.91, 3,014.92 and 623.19

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Solution

The fourth proportional to 2,009.91, 3,014.92 and 623.19 is: 934.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009.91 : 3,014.92 = 623.19 : x
  2. Step 2: Convert to fraction form
    2,009.91/3,014.92 = 623.19/x
  3. Step 3: Cross multiply
    2,009.91x = 3,014.92 × 623.19
  4. Step 4: Simplify right side
    2,009.91x = 1,878,880.08
  5. Step 5: Solve for x
    x = 1,878,880.08/2,009.91
  6. Step 6: Final answer
    x = 934.81

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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.