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Finding the Fourth Proportional to 15,959.67, 23,939.48 and 9,635.81

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Solution

The fourth proportional to 15,959.67, 23,939.48 and 9,635.81 is: 14,453.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,959.67 : 23,939.48 = 9,635.81 : x
  2. Step 2: Convert to fraction form
    15,959.67/23,939.48 = 9,635.81/x
  3. Step 3: Cross multiply
    15,959.67x = 23,939.48 × 9,635.81
  4. Step 4: Simplify right side
    15,959.67x = 230,676,130.97
  5. Step 5: Solve for x
    x = 230,676,130.97/15,959.67
  6. Step 6: Final answer
    x = 14,453.69

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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.