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Finding the Fourth Proportional to 941.10, 1,314.30 and 941.10

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Solution

The fourth proportional to 941.10, 1,314.30 and 941.10 is: 1,314.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    941.10 : 1,314.30 = 941.10 : x
  2. Step 2: Convert to fraction form
    941.10/1,314.30 = 941.10/x
  3. Step 3: Cross multiply
    941.10x = 1,314.30 × 941.10
  4. Step 4: Simplify right side
    941.10x = 1,236,887.73
  5. Step 5: Solve for x
    x = 1,236,887.73/941.10
  6. Step 6: Final answer
    x = 1,314.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.