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Finding the Fourth Proportional to 3,240.66, 4,862.22 and 1,294.23

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Solution

The fourth proportional to 3,240.66, 4,862.22 and 1,294.23 is: 1,941.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240.66 : 4,862.22 = 1,294.23 : x
  2. Step 2: Convert to fraction form
    3,240.66/4,862.22 = 1,294.23/x
  3. Step 3: Cross multiply
    3,240.66x = 4,862.22 × 1,294.23
  4. Step 4: Simplify right side
    3,240.66x = 6,292,830.99
  5. Step 5: Solve for x
    x = 6,292,830.99/3,240.66
  6. Step 6: Final answer
    x = 1,941.84

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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.