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Finding the Fourth Proportional to 29,953.42, 44,930.31 and 13,309.54

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Solution

The fourth proportional to 29,953.42, 44,930.31 and 13,309.54 is: 19,964.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,953.42 : 44,930.31 = 13,309.54 : x
  2. Step 2: Convert to fraction form
    29,953.42/44,930.31 = 13,309.54/x
  3. Step 3: Cross multiply
    29,953.42x = 44,930.31 × 13,309.54
  4. Step 4: Simplify right side
    29,953.42x = 598,001,758.16
  5. Step 5: Solve for x
    x = 598,001,758.16/29,953.42
  6. Step 6: Final answer
    x = 19,964.39

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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.