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Finding the Fourth Proportional to 8,796.64, 13,199.28 and 3,604

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Solution

The fourth proportional to 8,796.64, 13,199.28 and 3,604 is: 5,407.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,796.64 : 13,199.28 = 3,604 : x
  2. Step 2: Convert to fraction form
    8,796.64/13,199.28 = 3,604/x
  3. Step 3: Cross multiply
    8,796.64x = 13,199.28 × 3,604
  4. Step 4: Simplify right side
    8,796.64x = 47,570,205.12
  5. Step 5: Solve for x
    x = 47,570,205.12/8,796.64
  6. Step 6: Final answer
    x = 5,407.77

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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.