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Finding the Fourth Proportional to 8,803.64, 13,193.88 and 3,606.68

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Solution

The fourth proportional to 8,803.64, 13,193.88 and 3,606.68 is: 5,405.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,803.64 : 13,193.88 = 3,606.68 : x
  2. Step 2: Convert to fraction form
    8,803.64/13,193.88 = 3,606.68/x
  3. Step 3: Cross multiply
    8,803.64x = 13,193.88 × 3,606.68
  4. Step 4: Simplify right side
    8,803.64x = 47,586,103.12
  5. Step 5: Solve for x
    x = 47,586,103.12/8,803.64
  6. Step 6: Final answer
    x = 5,405.28

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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.