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Finding the Fourth Proportional to 3,336, 4,603.95 and 1,939.02

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Solution

The fourth proportional to 3,336, 4,603.95 and 1,939.02 is: 2,676.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,336 : 4,603.95 = 1,939.02 : x
  2. Step 2: Convert to fraction form
    3,336/4,603.95 = 1,939.02/x
  3. Step 3: Cross multiply
    3,336x = 4,603.95 × 1,939.02
  4. Step 4: Simplify right side
    3,336x = 8,927,151.13
  5. Step 5: Solve for x
    x = 8,927,151.13/3,336
  6. Step 6: Final answer
    x = 2,676.00

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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.