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Finding the Fourth Proportional to 2,395.55, 3,305.63 and 1,347.59

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Solution

The fourth proportional to 2,395.55, 3,305.63 and 1,347.59 is: 1,859.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,395.55 : 3,305.63 = 1,347.59 : x
  2. Step 2: Convert to fraction form
    2,395.55/3,305.63 = 1,347.59/x
  3. Step 3: Cross multiply
    2,395.55x = 3,305.63 × 1,347.59
  4. Step 4: Simplify right side
    2,395.55x = 4,454,627.19
  5. Step 5: Solve for x
    x = 4,454,627.19/2,395.55
  6. Step 6: Final answer
    x = 1,859.54

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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.