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Finding the Fourth Proportional to 26,367.69, 36,387.19 and 14,431.00

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Solution

The fourth proportional to 26,367.69, 36,387.19 and 14,431.00 is: 19,914.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,367.69 : 36,387.19 = 14,431.00 : x
  2. Step 2: Convert to fraction form
    26,367.69/36,387.19 = 14,431.00/x
  3. Step 3: Cross multiply
    26,367.69x = 36,387.19 × 14,431.00
  4. Step 4: Simplify right side
    26,367.69x = 525,103,472.43
  5. Step 5: Solve for x
    x = 525,103,472.43/26,367.69
  6. Step 6: Final answer
    x = 19,914.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.