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Finding the Fourth Proportional to 11,656.58, 17,490.04 and 6,108.60

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Solution

The fourth proportional to 11,656.58, 17,490.04 and 6,108.60 is: 9,165.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,656.58 : 17,490.04 = 6,108.60 : x
  2. Step 2: Convert to fraction form
    11,656.58/17,490.04 = 6,108.60/x
  3. Step 3: Cross multiply
    11,656.58x = 17,490.04 × 6,108.60
  4. Step 4: Simplify right side
    11,656.58x = 106,839,700.07
  5. Step 5: Solve for x
    x = 106,839,700.07/11,656.58
  6. Step 6: Final answer
    x = 9,165.61

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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.