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Finding the Fourth Proportional to 3,333.64, 4,599.50 and 1,917.25

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Solution

The fourth proportional to 3,333.64, 4,599.50 and 1,917.25 is: 2,645.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,333.64 : 4,599.50 = 1,917.25 : x
  2. Step 2: Convert to fraction form
    3,333.64/4,599.50 = 1,917.25/x
  3. Step 3: Cross multiply
    3,333.64x = 4,599.50 × 1,917.25
  4. Step 4: Simplify right side
    3,333.64x = 8,818,391.38
  5. Step 5: Solve for x
    x = 8,818,391.38/3,333.64
  6. Step 6: Final answer
    x = 2,645.27

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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.