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Finding the Fourth Proportional to 2,955.09, 4,432.64 and 2,826.98

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Solution

The fourth proportional to 2,955.09, 4,432.64 and 2,826.98 is: 4,240.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,955.09 : 4,432.64 = 2,826.98 : x
  2. Step 2: Convert to fraction form
    2,955.09/4,432.64 = 2,826.98/x
  3. Step 3: Cross multiply
    2,955.09x = 4,432.64 × 2,826.98
  4. Step 4: Simplify right side
    2,955.09x = 12,530,948.33
  5. Step 5: Solve for x
    x = 12,530,948.33/2,955.09
  6. Step 6: Final answer
    x = 4,240.46

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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.