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Finding the Fourth Proportional to 7,506.97, 11,259.44 and 1,959.86

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Solution

The fourth proportional to 7,506.97, 11,259.44 and 1,959.86 is: 2,939.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,506.97 : 11,259.44 = 1,959.86 : x
  2. Step 2: Convert to fraction form
    7,506.97/11,259.44 = 1,959.86/x
  3. Step 3: Cross multiply
    7,506.97x = 11,259.44 × 1,959.86
  4. Step 4: Simplify right side
    7,506.97x = 22,066,951.78
  5. Step 5: Solve for x
    x = 22,066,951.78/7,506.97
  6. Step 6: Final answer
    x = 2,939.53

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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.