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Finding the Fourth Proportional to 15,055.56, 22,566.62 and 7,644.67

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Solution

The fourth proportional to 15,055.56, 22,566.62 and 7,644.67 is: 11,458.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,055.56 : 22,566.62 = 7,644.67 : x
  2. Step 2: Convert to fraction form
    15,055.56/22,566.62 = 7,644.67/x
  3. Step 3: Cross multiply
    15,055.56x = 22,566.62 × 7,644.67
  4. Step 4: Simplify right side
    15,055.56x = 172,514,325.61
  5. Step 5: Solve for x
    x = 172,514,325.61/15,055.56
  6. Step 6: Final answer
    x = 11,458.51

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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.