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Finding the Fourth Proportional to 21,393.59, 32,063.65 and 10,297.31

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Solution

The fourth proportional to 21,393.59, 32,063.65 and 10,297.31 is: 15,433.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,393.59 : 32,063.65 = 10,297.31 : x
  2. Step 2: Convert to fraction form
    21,393.59/32,063.65 = 10,297.31/x
  3. Step 3: Cross multiply
    21,393.59x = 32,063.65 × 10,297.31
  4. Step 4: Simplify right side
    21,393.59x = 330,169,157.72
  5. Step 5: Solve for x
    x = 330,169,157.72/21,393.59
  6. Step 6: Final answer
    x = 15,433.09

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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.