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Finding the Fourth Proportional to 3,333.87, 4,599.30 and 1,917.23

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Solution

The fourth proportional to 3,333.87, 4,599.30 and 1,917.23 is: 2,644.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,333.87 : 4,599.30 = 1,917.23 : x
  2. Step 2: Convert to fraction form
    3,333.87/4,599.30 = 1,917.23/x
  3. Step 3: Cross multiply
    3,333.87x = 4,599.30 × 1,917.23
  4. Step 4: Simplify right side
    3,333.87x = 8,817,892.94
  5. Step 5: Solve for x
    x = 8,817,892.94/3,333.87
  6. Step 6: Final answer
    x = 2,644.94

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Double scale
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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.