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Finding the Fourth Proportional to 12,530.88, 18,793.97 and 6,289.22

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Solution

The fourth proportional to 12,530.88, 18,793.97 and 6,289.22 is: 9,432.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,530.88 : 18,793.97 = 6,289.22 : x
  2. Step 2: Convert to fraction form
    12,530.88/18,793.97 = 6,289.22/x
  3. Step 3: Cross multiply
    12,530.88x = 18,793.97 × 6,289.22
  4. Step 4: Simplify right side
    12,530.88x = 118,199,412.00
  5. Step 5: Solve for x
    x = 118,199,412.00/12,530.88
  6. Step 6: Final answer
    x = 9,432.65

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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.