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Finding the Fourth Proportional to 4,533.74, 6,787.40 and 3,368.90

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Solution

The fourth proportional to 4,533.74, 6,787.40 and 3,368.90 is: 5,043.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,533.74 : 6,787.40 = 3,368.90 : x
  2. Step 2: Convert to fraction form
    4,533.74/6,787.40 = 3,368.90/x
  3. Step 3: Cross multiply
    4,533.74x = 6,787.40 × 3,368.90
  4. Step 4: Simplify right side
    4,533.74x = 22,866,055.02
  5. Step 5: Solve for x
    x = 22,866,055.02/4,533.74
  6. Step 6: Final answer
    x = 5,043.54

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Why These Related Problems?

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