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Finding the Fourth Proportional to 13,560.88, 18,714.18 and 7,592.44

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Solution

The fourth proportional to 13,560.88, 18,714.18 and 7,592.44 is: 10,477.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,560.88 : 18,714.18 = 7,592.44 : x
  2. Step 2: Convert to fraction form
    13,560.88/18,714.18 = 7,592.44/x
  3. Step 3: Cross multiply
    13,560.88x = 18,714.18 × 7,592.44
  4. Step 4: Simplify right side
    13,560.88x = 142,086,288.80
  5. Step 5: Solve for x
    x = 142,086,288.80/13,560.88
  6. Step 6: Final answer
    x = 10,477.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.