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Finding the Fourth Proportional to 7,504.60, 11,256.90 and 1,958.13

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Solution

The fourth proportional to 7,504.60, 11,256.90 and 1,958.13 is: 2,937.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,504.60 : 11,256.90 = 1,958.13 : x
  2. Step 2: Convert to fraction form
    7,504.60/11,256.90 = 1,958.13/x
  3. Step 3: Cross multiply
    7,504.60x = 11,256.90 × 1,958.13
  4. Step 4: Simplify right side
    7,504.60x = 22,042,473.60
  5. Step 5: Solve for x
    x = 22,042,473.60/7,504.60
  6. Step 6: Final answer
    x = 2,937.20

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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.