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Finding the Fourth Proportional to 8,804.16, 13,205.92 and 2,648

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Solution

The fourth proportional to 8,804.16, 13,205.92 and 2,648 is: 3,971.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,804.16 : 13,205.92 = 2,648 : x
  2. Step 2: Convert to fraction form
    8,804.16/13,205.92 = 2,648/x
  3. Step 3: Cross multiply
    8,804.16x = 13,205.92 × 2,648
  4. Step 4: Simplify right side
    8,804.16x = 34,969,276.16
  5. Step 5: Solve for x
    x = 34,969,276.16/8,804.16
  6. Step 6: Final answer
    x = 3,971.90

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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.