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Finding the Fourth Proportional to 15,329.52, 22,961.86 and 7,016.48

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Solution

The fourth proportional to 15,329.52, 22,961.86 and 7,016.48 is: 10,509.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,329.52 : 22,961.86 = 7,016.48 : x
  2. Step 2: Convert to fraction form
    15,329.52/22,961.86 = 7,016.48/x
  3. Step 3: Cross multiply
    15,329.52x = 22,961.86 × 7,016.48
  4. Step 4: Simplify right side
    15,329.52x = 161,111,431.45
  5. Step 5: Solve for x
    x = 161,111,431.45/15,329.52
  6. Step 6: Final answer
    x = 10,509.88

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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.