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Finding the Fourth Proportional to 2,332.66, 3,499.54 and 666.81

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Solution

The fourth proportional to 2,332.66, 3,499.54 and 666.81 is: 1,000.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,332.66 : 3,499.54 = 666.81 : x
  2. Step 2: Convert to fraction form
    2,332.66/3,499.54 = 666.81/x
  3. Step 3: Cross multiply
    2,332.66x = 3,499.54 × 666.81
  4. Step 4: Simplify right side
    2,332.66x = 2,333,519.57
  5. Step 5: Solve for x
    x = 2,333,519.57/2,332.66
  6. Step 6: Final answer
    x = 1,000.37

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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.