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Finding the Fourth Proportional to 43,699.29, 65,548.97 and 18,723.14

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Solution

The fourth proportional to 43,699.29, 65,548.97 and 18,723.14 is: 28,084.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,699.29 : 65,548.97 = 18,723.14 : x
  2. Step 2: Convert to fraction form
    43,699.29/65,548.97 = 18,723.14/x
  3. Step 3: Cross multiply
    43,699.29x = 65,548.97 × 18,723.14
  4. Step 4: Simplify right side
    43,699.29x = 1,227,282,542.17
  5. Step 5: Solve for x
    x = 1,227,282,542.17/43,699.29
  6. Step 6: Final answer
    x = 28,084.72

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1.5x scale

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.