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Finding the Fourth Proportional to 35,564.99, 49,080.18 and 19,649.79

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Solution

The fourth proportional to 35,564.99, 49,080.18 and 19,649.79 is: 27,116.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,564.99 : 49,080.18 = 19,649.79 : x
  2. Step 2: Convert to fraction form
    35,564.99/49,080.18 = 19,649.79/x
  3. Step 3: Cross multiply
    35,564.99x = 49,080.18 × 19,649.79
  4. Step 4: Simplify right side
    35,564.99x = 964,415,230.16
  5. Step 5: Solve for x
    x = 964,415,230.16/35,564.99
  6. Step 6: Final answer
    x = 27,116.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.