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Finding the Fourth Proportional to 5,074.94, 7,612.23 and 1,787.94

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Solution

The fourth proportional to 5,074.94, 7,612.23 and 1,787.94 is: 2,681.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,074.94 : 7,612.23 = 1,787.94 : x
  2. Step 2: Convert to fraction form
    5,074.94/7,612.23 = 1,787.94/x
  3. Step 3: Cross multiply
    5,074.94x = 7,612.23 × 1,787.94
  4. Step 4: Simplify right side
    5,074.94x = 13,610,210.51
  5. Step 5: Solve for x
    x = 13,610,210.51/5,074.94
  6. Step 6: Final answer
    x = 2,681.85

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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.