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Finding the Fourth Proportional to 8,281.12, 11,428.16 and 4,504.52

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Solution

The fourth proportional to 8,281.12, 11,428.16 and 4,504.52 is: 6,216.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,281.12 : 11,428.16 = 4,504.52 : x
  2. Step 2: Convert to fraction form
    8,281.12/11,428.16 = 4,504.52/x
  3. Step 3: Cross multiply
    8,281.12x = 11,428.16 × 4,504.52
  4. Step 4: Simplify right side
    8,281.12x = 51,478,375.28
  5. Step 5: Solve for x
    x = 51,478,375.28/8,281.12
  6. Step 6: Final answer
    x = 6,216.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.