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Finding the Fourth Proportional to 20,573.30, 30,835.13 and 9,464.75

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Solution

The fourth proportional to 20,573.30, 30,835.13 and 9,464.75 is: 14,185.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,573.30 : 30,835.13 = 9,464.75 : x
  2. Step 2: Convert to fraction form
    20,573.30/30,835.13 = 9,464.75/x
  3. Step 3: Cross multiply
    20,573.30x = 30,835.13 × 9,464.75
  4. Step 4: Simplify right side
    20,573.30x = 291,846,595.17
  5. Step 5: Solve for x
    x = 291,846,595.17/20,573.30
  6. Step 6: Final answer
    x = 14,185.70

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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.