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Finding the Fourth Proportional to 9,995.97, 14,994.50 and 2,600.45

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Solution

The fourth proportional to 9,995.97, 14,994.50 and 2,600.45 is: 3,900.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,995.97 : 14,994.50 = 2,600.45 : x
  2. Step 2: Convert to fraction form
    9,995.97/14,994.50 = 2,600.45/x
  3. Step 3: Cross multiply
    9,995.97x = 14,994.50 × 2,600.45
  4. Step 4: Simplify right side
    9,995.97x = 38,992,359.55
  5. Step 5: Solve for x
    x = 38,992,359.55/9,995.97
  6. Step 6: Final answer
    x = 3,900.81

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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.