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Finding the Fourth Proportional to 4,703.63, 7,079.06 and 3,539.66

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Solution

The fourth proportional to 4,703.63, 7,079.06 and 3,539.66 is: 5,327.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,703.63 : 7,079.06 = 3,539.66 : x
  2. Step 2: Convert to fraction form
    4,703.63/7,079.06 = 3,539.66/x
  3. Step 3: Cross multiply
    4,703.63x = 7,079.06 × 3,539.66
  4. Step 4: Simplify right side
    4,703.63x = 25,057,438.97
  5. Step 5: Solve for x
    x = 25,057,438.97/4,703.63
  6. Step 6: Final answer
    x = 5,327.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.