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Finding the Fourth Proportional to 9,995.59, 14,990.73 and 3,331.01

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Solution

The fourth proportional to 9,995.59, 14,990.73 and 3,331.01 is: 4,995.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,995.59 : 14,990.73 = 3,331.01 : x
  2. Step 2: Convert to fraction form
    9,995.59/14,990.73 = 3,331.01/x
  3. Step 3: Cross multiply
    9,995.59x = 14,990.73 × 3,331.01
  4. Step 4: Simplify right side
    9,995.59x = 49,934,271.54
  5. Step 5: Solve for x
    x = 49,934,271.54/9,995.59
  6. Step 6: Final answer
    x = 4,995.63

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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.