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Finding the Fourth Proportional to 14,774.08, 20,387.58 and 8,059.58

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Solution

The fourth proportional to 14,774.08, 20,387.58 and 8,059.58 is: 11,121.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,774.08 : 20,387.58 = 8,059.58 : x
  2. Step 2: Convert to fraction form
    14,774.08/20,387.58 = 8,059.58/x
  3. Step 3: Cross multiply
    14,774.08x = 20,387.58 × 8,059.58
  4. Step 4: Simplify right side
    14,774.08x = 164,315,332.02
  5. Step 5: Solve for x
    x = 164,315,332.02/14,774.08
  6. Step 6: Final answer
    x = 11,121.87

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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.