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Finding the Fourth Proportional to 43,607.57, 65,414.93 and 18,647.82

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Solution

The fourth proportional to 43,607.57, 65,414.93 and 18,647.82 is: 27,973.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,607.57 : 65,414.93 = 18,647.82 : x
  2. Step 2: Convert to fraction form
    43,607.57/65,414.93 = 18,647.82/x
  3. Step 3: Cross multiply
    43,607.57x = 65,414.93 × 18,647.82
  4. Step 4: Simplify right side
    43,607.57x = 1,219,845,746.71
  5. Step 5: Solve for x
    x = 1,219,845,746.71/43,607.57
  6. Step 6: Final answer
    x = 27,973.26

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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.