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Finding the Fourth Proportional to 5,847.55, 8,055.49 and 5,005.55

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Solution

The fourth proportional to 5,847.55, 8,055.49 and 5,005.55 is: 6,895.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,847.55 : 8,055.49 = 5,005.55 : x
  2. Step 2: Convert to fraction form
    5,847.55/8,055.49 = 5,005.55/x
  3. Step 3: Cross multiply
    5,847.55x = 8,055.49 × 5,005.55
  4. Step 4: Simplify right side
    5,847.55x = 40,322,132.94
  5. Step 5: Solve for x
    x = 40,322,132.94/5,847.55
  6. Step 6: Final answer
    x = 6,895.56

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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.