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Finding the Fourth Proportional to 27,802.99, 41,720.46 and 27,577.31

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Solution

The fourth proportional to 27,802.99, 41,720.46 and 27,577.31 is: 41,381.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,802.99 : 41,720.46 = 27,577.31 : x
  2. Step 2: Convert to fraction form
    27,802.99/41,720.46 = 27,577.31/x
  3. Step 3: Cross multiply
    27,802.99x = 41,720.46 × 27,577.31
  4. Step 4: Simplify right side
    27,802.99x = 1,150,537,712.27
  5. Step 5: Solve for x
    x = 1,150,537,712.27/27,802.99
  6. Step 6: Final answer
    x = 41,381.80

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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.