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Finding the Fourth Proportional to 3,345.95, 4,615.95 and 2,351.87

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Solution

The fourth proportional to 3,345.95, 4,615.95 and 2,351.87 is: 3,244.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.95 : 4,615.95 = 2,351.87 : x
  2. Step 2: Convert to fraction form
    3,345.95/4,615.95 = 2,351.87/x
  3. Step 3: Cross multiply
    3,345.95x = 4,615.95 × 2,351.87
  4. Step 4: Simplify right side
    3,345.95x = 10,856,114.33
  5. Step 5: Solve for x
    x = 10,856,114.33/3,345.95
  6. Step 6: Final answer
    x = 3,244.55

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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.