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Finding the Fourth Proportional to 3,333.49, 4,598.79 and 1,916.85

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Solution

The fourth proportional to 3,333.49, 4,598.79 and 1,916.85 is: 2,644.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,333.49 : 4,598.79 = 1,916.85 : x
  2. Step 2: Convert to fraction form
    3,333.49/4,598.79 = 1,916.85/x
  3. Step 3: Cross multiply
    3,333.49x = 4,598.79 × 1,916.85
  4. Step 4: Simplify right side
    3,333.49x = 8,815,200.67
  5. Step 5: Solve for x
    x = 8,815,200.67/3,333.49
  6. Step 6: Final answer
    x = 2,644.44

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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.