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Finding the Fourth Proportional to 11,563.92, 15,959.88 and 7,590.96

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Solution

The fourth proportional to 11,563.92, 15,959.88 and 7,590.96 is: 10,476.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,563.92 : 15,959.88 = 7,590.96 : x
  2. Step 2: Convert to fraction form
    11,563.92/15,959.88 = 7,590.96/x
  3. Step 3: Cross multiply
    11,563.92x = 15,959.88 × 7,590.96
  4. Step 4: Simplify right side
    11,563.92x = 121,150,810.68
  5. Step 5: Solve for x
    x = 121,150,810.68/11,563.92
  6. Step 6: Final answer
    x = 10,476.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.