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Finding the Fourth Proportional to 1,024.16, 1,413.99 and 893.85

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Solution

The fourth proportional to 1,024.16, 1,413.99 and 893.85 is: 1,234.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,024.16 : 1,413.99 = 893.85 : x
  2. Step 2: Convert to fraction form
    1,024.16/1,413.99 = 893.85/x
  3. Step 3: Cross multiply
    1,024.16x = 1,413.99 × 893.85
  4. Step 4: Simplify right side
    1,024.16x = 1,263,889.66
  5. Step 5: Solve for x
    x = 1,263,889.66/1,024.16
  6. Step 6: Final answer
    x = 1,234.08

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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.