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Finding the Fourth Proportional to 9,995.81, 14,981.11 and 5,066.69

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Solution

The fourth proportional to 9,995.81, 14,981.11 and 5,066.69 is: 7,593.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,995.81 : 14,981.11 = 5,066.69 : x
  2. Step 2: Convert to fraction form
    9,995.81/14,981.11 = 5,066.69/x
  3. Step 3: Cross multiply
    9,995.81x = 14,981.11 × 5,066.69
  4. Step 4: Simplify right side
    9,995.81x = 75,904,552.65
  5. Step 5: Solve for x
    x = 75,904,552.65/9,995.81
  6. Step 6: Final answer
    x = 7,593.64

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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.