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Finding the Fourth Proportional to 6,194.70, 9,292.65 and 1,812.18

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Solution

The fourth proportional to 6,194.70, 9,292.65 and 1,812.18 is: 2,718.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,194.70 : 9,292.65 = 1,812.18 : x
  2. Step 2: Convert to fraction form
    6,194.70/9,292.65 = 1,812.18/x
  3. Step 3: Cross multiply
    6,194.70x = 9,292.65 × 1,812.18
  4. Step 4: Simplify right side
    6,194.70x = 16,839,954.48
  5. Step 5: Solve for x
    x = 16,839,954.48/6,194.70
  6. Step 6: Final answer
    x = 2,718.45

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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.