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Finding the Fourth Proportional to 22,539.98, 33,813.05 and 9,389.28

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Solution

The fourth proportional to 22,539.98, 33,813.05 and 9,389.28 is: 14,085.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,539.98 : 33,813.05 = 9,389.28 : x
  2. Step 2: Convert to fraction form
    22,539.98/33,813.05 = 9,389.28/x
  3. Step 3: Cross multiply
    22,539.98x = 33,813.05 × 9,389.28
  4. Step 4: Simplify right side
    22,539.98x = 317,480,147.16
  5. Step 5: Solve for x
    x = 317,480,147.16/22,539.98
  6. Step 6: Final answer
    x = 14,085.20

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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.