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Finding the Fourth Proportional to 27,085.30, 40,629.09 and 9,555.22

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Solution

The fourth proportional to 27,085.30, 40,629.09 and 9,555.22 is: 14,333.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,085.30 : 40,629.09 = 9,555.22 : x
  2. Step 2: Convert to fraction form
    27,085.30/40,629.09 = 9,555.22/x
  3. Step 3: Cross multiply
    27,085.30x = 40,629.09 × 9,555.22
  4. Step 4: Simplify right side
    27,085.30x = 388,219,893.35
  5. Step 5: Solve for x
    x = 388,219,893.35/27,085.30
  6. Step 6: Final answer
    x = 14,333.23

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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.