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Finding the Fourth Proportional to 15,372.54, 23,060.76 and 5,511

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Solution

The fourth proportional to 15,372.54, 23,060.76 and 5,511 is: 8,267.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,372.54 : 23,060.76 = 5,511 : x
  2. Step 2: Convert to fraction form
    15,372.54/23,060.76 = 5,511/x
  3. Step 3: Cross multiply
    15,372.54x = 23,060.76 × 5,511
  4. Step 4: Simplify right side
    15,372.54x = 127,087,848.36
  5. Step 5: Solve for x
    x = 127,087,848.36/15,372.54
  6. Step 6: Final answer
    x = 8,267.20

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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.