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Finding the Fourth Proportional to 3,365.45, 5,055.45 and 2,846.48

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Solution

The fourth proportional to 3,365.45, 5,055.45 and 2,846.48 is: 4,275.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,365.45 : 5,055.45 = 2,846.48 : x
  2. Step 2: Convert to fraction form
    3,365.45/5,055.45 = 2,846.48/x
  3. Step 3: Cross multiply
    3,365.45x = 5,055.45 × 2,846.48
  4. Step 4: Simplify right side
    3,365.45x = 14,390,237.32
  5. Step 5: Solve for x
    x = 14,390,237.32/3,365.45
  6. Step 6: Final answer
    x = 4,275.87

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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.