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Finding the Fourth Proportional to 17,866.88, 26,798.40 and 7,337.99

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Solution

The fourth proportional to 17,866.88, 26,798.40 and 7,337.99 is: 11,006.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,866.88 : 26,798.40 = 7,337.99 : x
  2. Step 2: Convert to fraction form
    17,866.88/26,798.40 = 7,337.99/x
  3. Step 3: Cross multiply
    17,866.88x = 26,798.40 × 7,337.99
  4. Step 4: Simplify right side
    17,866.88x = 196,646,391.22
  5. Step 5: Solve for x
    x = 196,646,391.22/17,866.88
  6. Step 6: Final answer
    x = 11,006.20

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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.