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Finding the Fourth Proportional to 13,304.64, 19,921.77 and 8,032.62

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Solution

The fourth proportional to 13,304.64, 19,921.77 and 8,032.62 is: 12,027.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,304.64 : 19,921.77 = 8,032.62 : x
  2. Step 2: Convert to fraction form
    13,304.64/19,921.77 = 8,032.62/x
  3. Step 3: Cross multiply
    13,304.64x = 19,921.77 × 8,032.62
  4. Step 4: Simplify right side
    13,304.64x = 160,024,008.14
  5. Step 5: Solve for x
    x = 160,024,008.14/13,304.64
  6. Step 6: Final answer
    x = 12,027.68

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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.