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Finding the Fourth Proportional to 8,903.62, 13,356.90 and 3,357.45

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Solution

The fourth proportional to 8,903.62, 13,356.90 and 3,357.45 is: 5,036.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,903.62 : 13,356.90 = 3,357.45 : x
  2. Step 2: Convert to fraction form
    8,903.62/13,356.90 = 3,357.45/x
  3. Step 3: Cross multiply
    8,903.62x = 13,356.90 × 3,357.45
  4. Step 4: Simplify right side
    8,903.62x = 44,845,123.91
  5. Step 5: Solve for x
    x = 44,845,123.91/8,903.62
  6. Step 6: Final answer
    x = 5,036.73

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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.