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Finding the Fourth Proportional to 8,359.63, 11,536.29 and 4,531.28

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Solution

The fourth proportional to 8,359.63, 11,536.29 and 4,531.28 is: 6,253.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,359.63 : 11,536.29 = 4,531.28 : x
  2. Step 2: Convert to fraction form
    8,359.63/11,536.29 = 4,531.28/x
  3. Step 3: Cross multiply
    8,359.63x = 11,536.29 × 4,531.28
  4. Step 4: Simplify right side
    8,359.63x = 52,274,160.15
  5. Step 5: Solve for x
    x = 52,274,160.15/8,359.63
  6. Step 6: Final answer
    x = 6,253.17

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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.