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Finding the Fourth Proportional to 11,670.60, 17,462.16 and 6,480.12

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Solution

The fourth proportional to 11,670.60, 17,462.16 and 6,480.12 is: 9,695.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,670.60 : 17,462.16 = 6,480.12 : x
  2. Step 2: Convert to fraction form
    11,670.60/17,462.16 = 6,480.12/x
  3. Step 3: Cross multiply
    11,670.60x = 17,462.16 × 6,480.12
  4. Step 4: Simplify right side
    11,670.60x = 113,156,892.26
  5. Step 5: Solve for x
    x = 113,156,892.26/11,670.60
  6. Step 6: Final answer
    x = 9,695.89

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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.