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Finding the Fourth Proportional to 3,605.04, 5,408.01 and 1,656.99

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Solution

The fourth proportional to 3,605.04, 5,408.01 and 1,656.99 is: 2,485.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,605.04 : 5,408.01 = 1,656.99 : x
  2. Step 2: Convert to fraction form
    3,605.04/5,408.01 = 1,656.99/x
  3. Step 3: Cross multiply
    3,605.04x = 5,408.01 × 1,656.99
  4. Step 4: Simplify right side
    3,605.04x = 8,961,018.49
  5. Step 5: Solve for x
    x = 8,961,018.49/3,605.04
  6. Step 6: Final answer
    x = 2,485.69

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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.