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Finding the Fourth Proportional to 43,661.42, 65,394.62 and 37,966.11

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Solution

The fourth proportional to 43,661.42, 65,394.62 and 37,966.11 is: 56,864.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,661.42 : 65,394.62 = 37,966.11 : x
  2. Step 2: Convert to fraction form
    43,661.42/65,394.62 = 37,966.11/x
  3. Step 3: Cross multiply
    43,661.42x = 65,394.62 × 37,966.11
  4. Step 4: Simplify right side
    43,661.42x = 2,482,779,336.33
  5. Step 5: Solve for x
    x = 2,482,779,336.33/43,661.42
  6. Step 6: Final answer
    x = 56,864.37

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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.