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Finding the Fourth Proportional to 1,612.99, 2,225.91 and 1,024.02

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Solution

The fourth proportional to 1,612.99, 2,225.91 and 1,024.02 is: 1,413.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,612.99 : 2,225.91 = 1,024.02 : x
  2. Step 2: Convert to fraction form
    1,612.99/2,225.91 = 1,024.02/x
  3. Step 3: Cross multiply
    1,612.99x = 2,225.91 × 1,024.02
  4. Step 4: Simplify right side
    1,612.99x = 2,279,376.36
  5. Step 5: Solve for x
    x = 2,279,376.36/1,612.99
  6. Step 6: Final answer
    x = 1,413.14

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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.