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Finding the Fourth Proportional to 11,063.32, 16,555.98 and 6,905.28

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Solution

The fourth proportional to 11,063.32, 16,555.98 and 6,905.28 is: 10,333.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,063.32 : 16,555.98 = 6,905.28 : x
  2. Step 2: Convert to fraction form
    11,063.32/16,555.98 = 6,905.28/x
  3. Step 3: Cross multiply
    11,063.32x = 16,555.98 × 6,905.28
  4. Step 4: Simplify right side
    11,063.32x = 114,323,677.57
  5. Step 5: Solve for x
    x = 114,323,677.57/11,063.32
  6. Step 6: Final answer
    x = 10,333.58

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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.