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Finding the Fourth Proportional to 11,549.70, 17,312.40 and 6,608.70

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Solution

The fourth proportional to 11,549.70, 17,312.40 and 6,608.70 is: 9,906.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,549.70 : 17,312.40 = 6,608.70 : x
  2. Step 2: Convert to fraction form
    11,549.70/17,312.40 = 6,608.70/x
  3. Step 3: Cross multiply
    11,549.70x = 17,312.40 × 6,608.70
  4. Step 4: Simplify right side
    11,549.70x = 114,412,457.88
  5. Step 5: Solve for x
    x = 114,412,457.88/11,549.70
  6. Step 6: Final answer
    x = 9,906.10

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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.