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Finding the Fourth Proportional to 26,804.80, 40,207.20 and 8,334.40

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Solution

The fourth proportional to 26,804.80, 40,207.20 and 8,334.40 is: 12,501.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,804.80 : 40,207.20 = 8,334.40 : x
  2. Step 2: Convert to fraction form
    26,804.80/40,207.20 = 8,334.40/x
  3. Step 3: Cross multiply
    26,804.80x = 40,207.20 × 8,334.40
  4. Step 4: Simplify right side
    26,804.80x = 335,102,887.68
  5. Step 5: Solve for x
    x = 335,102,887.68/26,804.80
  6. Step 6: Final answer
    x = 12,501.60

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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.