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Finding the Fourth Proportional to 4,995.69, 7,495.02 and 1,485.81

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Solution

The fourth proportional to 4,995.69, 7,495.02 and 1,485.81 is: 2,229.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,995.69 : 7,495.02 = 1,485.81 : x
  2. Step 2: Convert to fraction form
    4,995.69/7,495.02 = 1,485.81/x
  3. Step 3: Cross multiply
    4,995.69x = 7,495.02 × 1,485.81
  4. Step 4: Simplify right side
    4,995.69x = 11,136,175.67
  5. Step 5: Solve for x
    x = 11,136,175.67/4,995.69
  6. Step 6: Final answer
    x = 2,229.16

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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.