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Finding the Fourth Proportional to 27,532.90, 41,300.92 and 7,809.91

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Solution

The fourth proportional to 27,532.90, 41,300.92 and 7,809.91 is: 11,715.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,532.90 : 41,300.92 = 7,809.91 : x
  2. Step 2: Convert to fraction form
    27,532.90/41,300.92 = 7,809.91/x
  3. Step 3: Cross multiply
    27,532.90x = 41,300.92 × 7,809.91
  4. Step 4: Simplify right side
    27,532.90x = 322,556,468.12
  5. Step 5: Solve for x
    x = 322,556,468.12/27,532.90
  6. Step 6: Final answer
    x = 11,715.31

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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.