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Finding the Fourth Proportional to 3,335.94, 4,603.89 and 1,939.14

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Solution

The fourth proportional to 3,335.94, 4,603.89 and 1,939.14 is: 2,676.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,335.94 : 4,603.89 = 1,939.14 : x
  2. Step 2: Convert to fraction form
    3,335.94/4,603.89 = 1,939.14/x
  3. Step 3: Cross multiply
    3,335.94x = 4,603.89 × 1,939.14
  4. Step 4: Simplify right side
    3,335.94x = 8,927,587.25
  5. Step 5: Solve for x
    x = 8,927,587.25/3,335.94
  6. Step 6: Final answer
    x = 2,676.18

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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.