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Finding the Fourth Proportional to 15,959.19, 23,938.74 and 4,865.97

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Solution

The fourth proportional to 15,959.19, 23,938.74 and 4,865.97 is: 7,298.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,959.19 : 23,938.74 = 4,865.97 : x
  2. Step 2: Convert to fraction form
    15,959.19/23,938.74 = 4,865.97/x
  3. Step 3: Cross multiply
    15,959.19x = 23,938.74 × 4,865.97
  4. Step 4: Simplify right side
    15,959.19x = 116,485,190.68
  5. Step 5: Solve for x
    x = 116,485,190.68/15,959.19
  6. Step 6: Final answer
    x = 7,298.94

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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.