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Finding the Fourth Proportional to 14,699.88, 21,994.70 and 8,755.02

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Solution

The fourth proportional to 14,699.88, 21,994.70 and 8,755.02 is: 13,099.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,699.88 : 21,994.70 = 8,755.02 : x
  2. Step 2: Convert to fraction form
    14,699.88/21,994.70 = 8,755.02/x
  3. Step 3: Cross multiply
    14,699.88x = 21,994.70 × 8,755.02
  4. Step 4: Simplify right side
    14,699.88x = 192,563,994.62
  5. Step 5: Solve for x
    x = 192,563,994.62/14,699.88
  6. Step 6: Final answer
    x = 13,099.70

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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.