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Finding the Fourth Proportional to 35,898.58, 49,530.04 and 21,554.56

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Solution

The fourth proportional to 35,898.58, 49,530.04 and 21,554.56 is: 29,739.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,898.58 : 49,530.04 = 21,554.56 : x
  2. Step 2: Convert to fraction form
    35,898.58/49,530.04 = 21,554.56/x
  3. Step 3: Cross multiply
    35,898.58x = 49,530.04 × 21,554.56
  4. Step 4: Simplify right side
    35,898.58x = 1,067,598,218.98
  5. Step 5: Solve for x
    x = 1,067,598,218.98/35,898.58
  6. Step 6: Final answer
    x = 29,739.29

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1.5x scale

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.