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Finding the Fourth Proportional to 1,607.18, 2,410.74 and 960.80

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Solution

The fourth proportional to 1,607.18, 2,410.74 and 960.80 is: 1,441.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,607.18 : 2,410.74 = 960.80 : x
  2. Step 2: Convert to fraction form
    1,607.18/2,410.74 = 960.80/x
  3. Step 3: Cross multiply
    1,607.18x = 2,410.74 × 960.80
  4. Step 4: Simplify right side
    1,607.18x = 2,316,238.99
  5. Step 5: Solve for x
    x = 2,316,238.99/1,607.18
  6. Step 6: Final answer
    x = 1,441.18

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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.