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Finding the Fourth Proportional to 2,465.47, 3,698.43 and 984.33

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Solution

The fourth proportional to 2,465.47, 3,698.43 and 984.33 is: 1,476.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,465.47 : 3,698.43 = 984.33 : x
  2. Step 2: Convert to fraction form
    2,465.47/3,698.43 = 984.33/x
  3. Step 3: Cross multiply
    2,465.47x = 3,698.43 × 984.33
  4. Step 4: Simplify right side
    2,465.47x = 3,640,475.60
  5. Step 5: Solve for x
    x = 3,640,475.60/2,465.47
  6. Step 6: Final answer
    x = 1,476.58

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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.