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Finding the Fourth Proportional to 15,193.86, 22,791 and 5,333.22

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Solution

The fourth proportional to 15,193.86, 22,791 and 5,333.22 is: 7,999.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,193.86 : 22,791 = 5,333.22 : x
  2. Step 2: Convert to fraction form
    15,193.86/22,791 = 5,333.22/x
  3. Step 3: Cross multiply
    15,193.86x = 22,791 × 5,333.22
  4. Step 4: Simplify right side
    15,193.86x = 121,549,417.02
  5. Step 5: Solve for x
    x = 121,549,417.02/15,193.86
  6. Step 6: Final answer
    x = 7,999.90

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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.