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Finding the Fourth Proportional to 24,430.72, 36,648.48 and 6,900.68

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Solution

The fourth proportional to 24,430.72, 36,648.48 and 6,900.68 is: 10,351.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,430.72 : 36,648.48 = 6,900.68 : x
  2. Step 2: Convert to fraction form
    24,430.72/36,648.48 = 6,900.68/x
  3. Step 3: Cross multiply
    24,430.72x = 36,648.48 × 6,900.68
  4. Step 4: Simplify right side
    24,430.72x = 252,899,432.97
  5. Step 5: Solve for x
    x = 252,899,432.97/24,430.72
  6. Step 6: Final answer
    x = 10,351.70

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.