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Finding the Fourth Proportional to 11,468.98, 15,819.06 and 8,060.50

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Solution

The fourth proportional to 11,468.98, 15,819.06 and 8,060.50 is: 11,117.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,468.98 : 15,819.06 = 8,060.50 : x
  2. Step 2: Convert to fraction form
    11,468.98/15,819.06 = 8,060.50/x
  3. Step 3: Cross multiply
    11,468.98x = 15,819.06 × 8,060.50
  4. Step 4: Simplify right side
    11,468.98x = 127,509,533.13
  5. Step 5: Solve for x
    x = 127,509,533.13/11,468.98
  6. Step 6: Final answer
    x = 11,117.77

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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.