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Finding the Fourth Proportional to 14,773.37, 20,387.61 and 8,059.64

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Solution

The fourth proportional to 14,773.37, 20,387.61 and 8,059.64 is: 11,122.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,773.37 : 20,387.61 = 8,059.64 : x
  2. Step 2: Convert to fraction form
    14,773.37/20,387.61 = 8,059.64/x
  3. Step 3: Cross multiply
    14,773.37x = 20,387.61 × 8,059.64
  4. Step 4: Simplify right side
    14,773.37x = 164,316,695.12
  5. Step 5: Solve for x
    x = 164,316,695.12/14,773.37
  6. Step 6: Final answer
    x = 11,122.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.