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Finding the Fourth Proportional to 26,955.63, 40,427.88 and 7,229.50

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Solution

The fourth proportional to 26,955.63, 40,427.88 and 7,229.50 is: 10,842.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,955.63 : 40,427.88 = 7,229.50 : x
  2. Step 2: Convert to fraction form
    26,955.63/40,427.88 = 7,229.50/x
  3. Step 3: Cross multiply
    26,955.63x = 40,427.88 × 7,229.50
  4. Step 4: Simplify right side
    26,955.63x = 292,273,358.46
  5. Step 5: Solve for x
    x = 292,273,358.46/26,955.63
  6. Step 6: Final answer
    x = 10,842.76

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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.