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Finding the Fourth Proportional to 9,995.47, 14,993.75 and 2,599.98

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Solution

The fourth proportional to 9,995.47, 14,993.75 and 2,599.98 is: 3,900.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,995.47 : 14,993.75 = 2,599.98 : x
  2. Step 2: Convert to fraction form
    9,995.47/14,993.75 = 2,599.98/x
  3. Step 3: Cross multiply
    9,995.47x = 14,993.75 × 2,599.98
  4. Step 4: Simplify right side
    9,995.47x = 38,983,450.13
  5. Step 5: Solve for x
    x = 38,983,450.13/9,995.47
  6. Step 6: Final answer
    x = 3,900.11

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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.