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Finding the Fourth Proportional to 22,085.56, 33,114.99 and 9,911.65

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Solution

The fourth proportional to 22,085.56, 33,114.99 and 9,911.65 is: 14,861.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,085.56 : 33,114.99 = 9,911.65 : x
  2. Step 2: Convert to fraction form
    22,085.56/33,114.99 = 9,911.65/x
  3. Step 3: Cross multiply
    22,085.56x = 33,114.99 × 9,911.65
  4. Step 4: Simplify right side
    22,085.56x = 328,224,207.11
  5. Step 5: Solve for x
    x = 328,224,207.11/22,085.56
  6. Step 6: Final answer
    x = 14,861.48

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Double scale
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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.