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Finding the Fourth Proportional to 11,695.78, 17,543.68 and 3,261.95

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Solution

The fourth proportional to 11,695.78, 17,543.68 and 3,261.95 is: 4,892.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,695.78 : 17,543.68 = 3,261.95 : x
  2. Step 2: Convert to fraction form
    11,695.78/17,543.68 = 3,261.95/x
  3. Step 3: Cross multiply
    11,695.78x = 17,543.68 × 3,261.95
  4. Step 4: Simplify right side
    11,695.78x = 57,226,606.98
  5. Step 5: Solve for x
    x = 57,226,606.98/11,695.78
  6. Step 6: Final answer
    x = 4,892.93

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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.