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Finding the Fourth Proportional to 26,895.02, 40,341.98 and 8,427.02

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Solution

The fourth proportional to 26,895.02, 40,341.98 and 8,427.02 is: 12,640.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,895.02 : 40,341.98 = 8,427.02 : x
  2. Step 2: Convert to fraction form
    26,895.02/40,341.98 = 8,427.02/x
  3. Step 3: Cross multiply
    26,895.02x = 40,341.98 × 8,427.02
  4. Step 4: Simplify right side
    26,895.02x = 339,962,672.30
  5. Step 5: Solve for x
    x = 339,962,672.30/26,895.02
  6. Step 6: Final answer
    x = 12,640.36

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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.