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Finding the Fourth Proportional to 8,803.52, 13,208.22 and 2,880.68

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Solution

The fourth proportional to 8,803.52, 13,208.22 and 2,880.68 is: 4,321.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,803.52 : 13,208.22 = 2,880.68 : x
  2. Step 2: Convert to fraction form
    8,803.52/13,208.22 = 2,880.68/x
  3. Step 3: Cross multiply
    8,803.52x = 13,208.22 × 2,880.68
  4. Step 4: Simplify right side
    8,803.52x = 38,048,655.19
  5. Step 5: Solve for x
    x = 38,048,655.19/8,803.52
  6. Step 6: Final answer
    x = 4,321.98

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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.