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Finding the Fourth Proportional to 11,888.46, 17,817.43 and 4,484.10

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Solution

The fourth proportional to 11,888.46, 17,817.43 and 4,484.10 is: 6,720.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,888.46 : 17,817.43 = 4,484.10 : x
  2. Step 2: Convert to fraction form
    11,888.46/17,817.43 = 4,484.10/x
  3. Step 3: Cross multiply
    11,888.46x = 17,817.43 × 4,484.10
  4. Step 4: Simplify right side
    11,888.46x = 79,895,126.65
  5. Step 5: Solve for x
    x = 79,895,126.65/11,888.46
  6. Step 6: Final answer
    x = 6,720.39

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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.