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Finding the Fourth Proportional to 8,903.74, 13,355.56 and 3,637.63

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Solution

The fourth proportional to 8,903.74, 13,355.56 and 3,637.63 is: 5,456.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,903.74 : 13,355.56 = 3,637.63 : x
  2. Step 2: Convert to fraction form
    8,903.74/13,355.56 = 3,637.63/x
  3. Step 3: Cross multiply
    8,903.74x = 13,355.56 × 3,637.63
  4. Step 4: Simplify right side
    8,903.74x = 48,582,585.72
  5. Step 5: Solve for x
    x = 48,582,585.72/8,903.74
  6. Step 6: Final answer
    x = 5,456.42

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1.5x scale

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.