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Finding the Fourth Proportional to 2,203.66, 3,300.83 and 1,507.06

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Solution

The fourth proportional to 2,203.66, 3,300.83 and 1,507.06 is: 2,257.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,203.66 : 3,300.83 = 1,507.06 : x
  2. Step 2: Convert to fraction form
    2,203.66/3,300.83 = 1,507.06/x
  3. Step 3: Cross multiply
    2,203.66x = 3,300.83 × 1,507.06
  4. Step 4: Simplify right side
    2,203.66x = 4,974,548.86
  5. Step 5: Solve for x
    x = 4,974,548.86/2,203.66
  6. Step 6: Final answer
    x = 2,257.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.