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Finding the Fourth Proportional to 3,335.73, 4,603.65 and 1,919.47

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Solution

The fourth proportional to 3,335.73, 4,603.65 and 1,919.47 is: 2,649.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,335.73 : 4,603.65 = 1,919.47 : x
  2. Step 2: Convert to fraction form
    3,335.73/4,603.65 = 1,919.47/x
  3. Step 3: Cross multiply
    3,335.73x = 4,603.65 × 1,919.47
  4. Step 4: Simplify right side
    3,335.73x = 8,836,568.07
  5. Step 5: Solve for x
    x = 8,836,568.07/3,335.73
  6. Step 6: Final answer
    x = 2,649.07

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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.