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Finding the Fourth Proportional to 5,662.93, 7,815.77 and 3,305.07

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Solution

The fourth proportional to 5,662.93, 7,815.77 and 3,305.07 is: 4,561.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,662.93 : 7,815.77 = 3,305.07 : x
  2. Step 2: Convert to fraction form
    5,662.93/7,815.77 = 3,305.07/x
  3. Step 3: Cross multiply
    5,662.93x = 7,815.77 × 3,305.07
  4. Step 4: Simplify right side
    5,662.93x = 25,831,666.95
  5. Step 5: Solve for x
    x = 25,831,666.95/5,662.93
  6. Step 6: Final answer
    x = 4,561.54

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1.5x scale

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.