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Finding the Fourth Proportional to 15,147.07, 22,726.07 and 7,755.01

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Solution

The fourth proportional to 15,147.07, 22,726.07 and 7,755.01 is: 11,635.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,147.07 : 22,726.07 = 7,755.01 : x
  2. Step 2: Convert to fraction form
    15,147.07/22,726.07 = 7,755.01/x
  3. Step 3: Cross multiply
    15,147.07x = 22,726.07 × 7,755.01
  4. Step 4: Simplify right side
    15,147.07x = 176,240,833.60
  5. Step 5: Solve for x
    x = 176,240,833.60/15,147.07
  6. Step 6: Final answer
    x = 11,635.31

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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.