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Finding the Fourth Proportional to 11,348.99, 17,010.88 and 8,566.64

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Solution

The fourth proportional to 11,348.99, 17,010.88 and 8,566.64 is: 12,840.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,348.99 : 17,010.88 = 8,566.64 : x
  2. Step 2: Convert to fraction form
    11,348.99/17,010.88 = 8,566.64/x
  3. Step 3: Cross multiply
    11,348.99x = 17,010.88 × 8,566.64
  4. Step 4: Simplify right side
    11,348.99x = 145,726,106.15
  5. Step 5: Solve for x
    x = 145,726,106.15/11,348.99
  6. Step 6: Final answer
    x = 12,840.44

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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.