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Finding the Fourth Proportional to 43,781.76, 65,699.19 and 17,484.30

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Solution

The fourth proportional to 43,781.76, 65,699.19 and 17,484.30 is: 26,237.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,781.76 : 65,699.19 = 17,484.30 : x
  2. Step 2: Convert to fraction form
    43,781.76/65,699.19 = 17,484.30/x
  3. Step 3: Cross multiply
    43,781.76x = 65,699.19 × 17,484.30
  4. Step 4: Simplify right side
    43,781.76x = 1,148,704,347.72
  5. Step 5: Solve for x
    x = 1,148,704,347.72/43,781.76
  6. Step 6: Final answer
    x = 26,237.05

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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.