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Finding the Fourth Proportional to 4,663.66, 6,995.52 and 1,890.39

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Solution

The fourth proportional to 4,663.66, 6,995.52 and 1,890.39 is: 2,835.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,663.66 : 6,995.52 = 1,890.39 : x
  2. Step 2: Convert to fraction form
    4,663.66/6,995.52 = 1,890.39/x
  3. Step 3: Cross multiply
    4,663.66x = 6,995.52 × 1,890.39
  4. Step 4: Simplify right side
    4,663.66x = 13,224,261.05
  5. Step 5: Solve for x
    x = 13,224,261.05/4,663.66
  6. Step 6: Final answer
    x = 2,835.60

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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.