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Finding the Fourth Proportional to 15,959.31, 23,938.97 and 4,865.76

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Solution

The fourth proportional to 15,959.31, 23,938.97 and 4,865.76 is: 7,298.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,959.31 : 23,938.97 = 4,865.76 : x
  2. Step 2: Convert to fraction form
    15,959.31/23,938.97 = 4,865.76/x
  3. Step 3: Cross multiply
    15,959.31x = 23,938.97 × 4,865.76
  4. Step 4: Simplify right side
    15,959.31x = 116,481,258.34
  5. Step 5: Solve for x
    x = 116,481,258.34/15,959.31
  6. Step 6: Final answer
    x = 7,298.64

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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.