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Finding the Fourth Proportional to 8,809.14, 13,189.23 and 7,045.14

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Solution

The fourth proportional to 8,809.14, 13,189.23 and 7,045.14 is: 10,548.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,809.14 : 13,189.23 = 7,045.14 : x
  2. Step 2: Convert to fraction form
    8,809.14/13,189.23 = 7,045.14/x
  3. Step 3: Cross multiply
    8,809.14x = 13,189.23 × 7,045.14
  4. Step 4: Simplify right side
    8,809.14x = 92,919,971.84
  5. Step 5: Solve for x
    x = 92,919,971.84/8,809.14
  6. Step 6: Final answer
    x = 10,548.13

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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.