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Finding the Fourth Proportional to 26,810.68, 40,203.54 and 9,943.00

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Solution

The fourth proportional to 26,810.68, 40,203.54 and 9,943.00 is: 14,909.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,810.68 : 40,203.54 = 9,943.00 : x
  2. Step 2: Convert to fraction form
    26,810.68/40,203.54 = 9,943.00/x
  3. Step 3: Cross multiply
    26,810.68x = 40,203.54 × 9,943.00
  4. Step 4: Simplify right side
    26,810.68x = 399,743,923.86
  5. Step 5: Solve for x
    x = 399,743,923.86/26,810.68
  6. Step 6: Final answer
    x = 14,909.88

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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.