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Finding the Fourth Proportional to 20,560.88, 30,848.24 and 6,523.20

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Solution

The fourth proportional to 20,560.88, 30,848.24 and 6,523.20 is: 9,787.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,560.88 : 30,848.24 = 6,523.20 : x
  2. Step 2: Convert to fraction form
    20,560.88/30,848.24 = 6,523.20/x
  3. Step 3: Cross multiply
    20,560.88x = 30,848.24 × 6,523.20
  4. Step 4: Simplify right side
    20,560.88x = 201,229,239.17
  5. Step 5: Solve for x
    x = 201,229,239.17/20,560.88
  6. Step 6: Final answer
    x = 9,787.00

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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.