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Finding the Fourth Proportional to 9,805.50, 14,726.88 and 9,406.26

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Solution

The fourth proportional to 9,805.50, 14,726.88 and 9,406.26 is: 14,127.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,805.50 : 14,726.88 = 9,406.26 : x
  2. Step 2: Convert to fraction form
    9,805.50/14,726.88 = 9,406.26/x
  3. Step 3: Cross multiply
    9,805.50x = 14,726.88 × 9,406.26
  4. Step 4: Simplify right side
    9,805.50x = 138,524,862.27
  5. Step 5: Solve for x
    x = 138,524,862.27/9,805.50
  6. Step 6: Final answer
    x = 14,127.26

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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.