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Finding the Fourth Proportional to 7,506.80, 11,259.18 and 1,960.58

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Solution

The fourth proportional to 7,506.80, 11,259.18 and 1,960.58 is: 2,940.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,506.80 : 11,259.18 = 1,960.58 : x
  2. Step 2: Convert to fraction form
    7,506.80/11,259.18 = 1,960.58/x
  3. Step 3: Cross multiply
    7,506.80x = 11,259.18 × 1,960.58
  4. Step 4: Simplify right side
    7,506.80x = 22,074,523.12
  5. Step 5: Solve for x
    x = 22,074,523.12/7,506.80
  6. Step 6: Final answer
    x = 2,940.60

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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.