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Finding the Fourth Proportional to 23,245.89, 34,869.08 and 9,209.34

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Solution

The fourth proportional to 23,245.89, 34,869.08 and 9,209.34 is: 13,814.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,245.89 : 34,869.08 = 9,209.34 : x
  2. Step 2: Convert to fraction form
    23,245.89/34,869.08 = 9,209.34/x
  3. Step 3: Cross multiply
    23,245.89x = 34,869.08 × 9,209.34
  4. Step 4: Simplify right side
    23,245.89x = 321,121,038.86
  5. Step 5: Solve for x
    x = 321,121,038.86/23,245.89
  6. Step 6: Final answer
    x = 13,814.10

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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.