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Finding the Fourth Proportional to 2,955.44, 4,432.44 and 1,858.16

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Solution

The fourth proportional to 2,955.44, 4,432.44 and 1,858.16 is: 2,786.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,955.44 : 4,432.44 = 1,858.16 : x
  2. Step 2: Convert to fraction form
    2,955.44/4,432.44 = 1,858.16/x
  3. Step 3: Cross multiply
    2,955.44x = 4,432.44 × 1,858.16
  4. Step 4: Simplify right side
    2,955.44x = 8,236,182.71
  5. Step 5: Solve for x
    x = 8,236,182.71/2,955.44
  6. Step 6: Final answer
    x = 2,786.79

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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.