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Finding the Fourth Proportional to 11,352, 17,015.88 and 5,495.76

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Solution

The fourth proportional to 11,352, 17,015.88 and 5,495.76 is: 8,237.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,352 : 17,015.88 = 5,495.76 : x
  2. Step 2: Convert to fraction form
    11,352/17,015.88 = 5,495.76/x
  3. Step 3: Cross multiply
    11,352x = 17,015.88 × 5,495.76
  4. Step 4: Simplify right side
    11,352x = 93,515,192.67
  5. Step 5: Solve for x
    x = 93,515,192.67/11,352
  6. Step 6: Final answer
    x = 8,237.77

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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.