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Finding the Fourth Proportional to 43,470.94, 65,167.29 and 15,749.50

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Solution

The fourth proportional to 43,470.94, 65,167.29 and 15,749.50 is: 23,610.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,470.94 : 65,167.29 = 15,749.50 : x
  2. Step 2: Convert to fraction form
    43,470.94/65,167.29 = 15,749.50/x
  3. Step 3: Cross multiply
    43,470.94x = 65,167.29 × 15,749.50
  4. Step 4: Simplify right side
    43,470.94x = 1,026,352,233.86
  5. Step 5: Solve for x
    x = 1,026,352,233.86/43,470.94
  6. Step 6: Final answer
    x = 23,610.08

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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.