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Finding the Fourth Proportional to 8,045.60, 11,102.32 and 4,508

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Solution

The fourth proportional to 8,045.60, 11,102.32 and 4,508 is: 6,220.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,045.60 : 11,102.32 = 4,508 : x
  2. Step 2: Convert to fraction form
    8,045.60/11,102.32 = 4,508/x
  3. Step 3: Cross multiply
    8,045.60x = 11,102.32 × 4,508
  4. Step 4: Simplify right side
    8,045.60x = 50,049,258.56
  5. Step 5: Solve for x
    x = 50,049,258.56/8,045.60
  6. Step 6: Final answer
    x = 6,220.70

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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.