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Finding the Fourth Proportional to 28,695.83, 43,026.11 and 9,967.82

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Solution

The fourth proportional to 28,695.83, 43,026.11 and 9,967.82 is: 14,945.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,695.83 : 43,026.11 = 9,967.82 : x
  2. Step 2: Convert to fraction form
    28,695.83/43,026.11 = 9,967.82/x
  3. Step 3: Cross multiply
    28,695.83x = 43,026.11 × 9,967.82
  4. Step 4: Simplify right side
    28,695.83x = 428,876,254.81
  5. Step 5: Solve for x
    x = 428,876,254.81/28,695.83
  6. Step 6: Final answer
    x = 14,945.60

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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.