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Finding the Fourth Proportional to 3,518.24, 4,854.97 and 1,946.24

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Solution

The fourth proportional to 3,518.24, 4,854.97 and 1,946.24 is: 2,685.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518.24 : 4,854.97 = 1,946.24 : x
  2. Step 2: Convert to fraction form
    3,518.24/4,854.97 = 1,946.24/x
  3. Step 3: Cross multiply
    3,518.24x = 4,854.97 × 1,946.24
  4. Step 4: Simplify right side
    3,518.24x = 9,448,936.81
  5. Step 5: Solve for x
    x = 9,448,936.81/3,518.24
  6. Step 6: Final answer
    x = 2,685.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.