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Finding the Fourth Proportional to 4,896.78, 7,345.17 and 1,608.99

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Solution

The fourth proportional to 4,896.78, 7,345.17 and 1,608.99 is: 2,413.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,896.78 : 7,345.17 = 1,608.99 : x
  2. Step 2: Convert to fraction form
    4,896.78/7,345.17 = 1,608.99/x
  3. Step 3: Cross multiply
    4,896.78x = 7,345.17 × 1,608.99
  4. Step 4: Simplify right side
    4,896.78x = 11,818,305.08
  5. Step 5: Solve for x
    x = 11,818,305.08/4,896.78
  6. Step 6: Final answer
    x = 2,413.49

Related Problems

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Half scale
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Double scale
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Similar ratio
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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.