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Finding the Fourth Proportional to 21,794.60, 32,675.70 and 9,304.40

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Solution

The fourth proportional to 21,794.60, 32,675.70 and 9,304.40 is: 13,949.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,794.60 : 32,675.70 = 9,304.40 : x
  2. Step 2: Convert to fraction form
    21,794.60/32,675.70 = 9,304.40/x
  3. Step 3: Cross multiply
    21,794.60x = 32,675.70 × 9,304.40
  4. Step 4: Simplify right side
    21,794.60x = 304,027,783.08
  5. Step 5: Solve for x
    x = 304,027,783.08/21,794.60
  6. Step 6: Final answer
    x = 13,949.68

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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.