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Finding the Fourth Proportional to 2,996.66, 4,495.64 and 1,048.82

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Solution

The fourth proportional to 2,996.66, 4,495.64 and 1,048.82 is: 1,573.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,996.66 : 4,495.64 = 1,048.82 : x
  2. Step 2: Convert to fraction form
    2,996.66/4,495.64 = 1,048.82/x
  3. Step 3: Cross multiply
    2,996.66x = 4,495.64 × 1,048.82
  4. Step 4: Simplify right side
    2,996.66x = 4,715,089.42
  5. Step 5: Solve for x
    x = 4,715,089.42/2,996.66
  6. Step 6: Final answer
    x = 1,573.45

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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.