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Finding the Fourth Proportional to 6,483.64, 9,726.42 and 1,866.04

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Solution

The fourth proportional to 6,483.64, 9,726.42 and 1,866.04 is: 2,799.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,483.64 : 9,726.42 = 1,866.04 : x
  2. Step 2: Convert to fraction form
    6,483.64/9,726.42 = 1,866.04/x
  3. Step 3: Cross multiply
    6,483.64x = 9,726.42 × 1,866.04
  4. Step 4: Simplify right side
    6,483.64x = 18,149,888.78
  5. Step 5: Solve for x
    x = 18,149,888.78/6,483.64
  6. Step 6: Final answer
    x = 2,799.34

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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.