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Finding the Fourth Proportional to 4,973.08, 7,445.70 and 2,659.48

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Solution

The fourth proportional to 4,973.08, 7,445.70 and 2,659.48 is: 3,981.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,973.08 : 7,445.70 = 2,659.48 : x
  2. Step 2: Convert to fraction form
    4,973.08/7,445.70 = 2,659.48/x
  3. Step 3: Cross multiply
    4,973.08x = 7,445.70 × 2,659.48
  4. Step 4: Simplify right side
    4,973.08x = 19,801,690.24
  5. Step 5: Solve for x
    x = 19,801,690.24/4,973.08
  6. Step 6: Final answer
    x = 3,981.78

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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.