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Finding the Fourth Proportional to 5,603.94, 8,405.90 and 2,313.42

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Solution

The fourth proportional to 5,603.94, 8,405.90 and 2,313.42 is: 3,470.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,603.94 : 8,405.90 = 2,313.42 : x
  2. Step 2: Convert to fraction form
    5,603.94/8,405.90 = 2,313.42/x
  3. Step 3: Cross multiply
    5,603.94x = 8,405.90 × 2,313.42
  4. Step 4: Simplify right side
    5,603.94x = 19,446,377.18
  5. Step 5: Solve for x
    x = 19,446,377.18/5,603.94
  6. Step 6: Final answer
    x = 3,470.13

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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.