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Finding the Fourth Proportional to 27,805.32, 41,710.32 and 9,085.08

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Solution

The fourth proportional to 27,805.32, 41,710.32 and 9,085.08 is: 13,628.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,805.32 : 41,710.32 = 9,085.08 : x
  2. Step 2: Convert to fraction form
    27,805.32/41,710.32 = 9,085.08/x
  3. Step 3: Cross multiply
    27,805.32x = 41,710.32 × 9,085.08
  4. Step 4: Simplify right side
    27,805.32x = 378,941,594.03
  5. Step 5: Solve for x
    x = 378,941,594.03/27,805.32
  6. Step 6: Final answer
    x = 13,628.38

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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.