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Finding the Fourth Proportional to 7,507.97, 11,260.94 and 1,960.86

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Solution

The fourth proportional to 7,507.97, 11,260.94 and 1,960.86 is: 2,941.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,507.97 : 11,260.94 = 1,960.86 : x
  2. Step 2: Convert to fraction form
    7,507.97/11,260.94 = 1,960.86/x
  3. Step 3: Cross multiply
    7,507.97x = 11,260.94 × 1,960.86
  4. Step 4: Simplify right side
    7,507.97x = 22,081,126.81
  5. Step 5: Solve for x
    x = 22,081,126.81/7,507.97
  6. Step 6: Final answer
    x = 2,941.02

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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.