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Finding the Fourth Proportional to 43,885.86, 65,833.43 and 14,306.01

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Solution

The fourth proportional to 43,885.86, 65,833.43 and 14,306.01 is: 21,460.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,885.86 : 65,833.43 = 14,306.01 : x
  2. Step 2: Convert to fraction form
    43,885.86/65,833.43 = 14,306.01/x
  3. Step 3: Cross multiply
    43,885.86x = 65,833.43 × 14,306.01
  4. Step 4: Simplify right side
    43,885.86x = 941,813,636.38
  5. Step 5: Solve for x
    x = 941,813,636.38/43,885.86
  6. Step 6: Final answer
    x = 21,460.53

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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.