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Finding the Fourth Proportional to 8,361.48, 11,539.26 and 4,635.48

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Solution

The fourth proportional to 8,361.48, 11,539.26 and 4,635.48 is: 6,397.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,361.48 : 11,539.26 = 4,635.48 : x
  2. Step 2: Convert to fraction form
    8,361.48/11,539.26 = 4,635.48/x
  3. Step 3: Cross multiply
    8,361.48x = 11,539.26 × 4,635.48
  4. Step 4: Simplify right side
    8,361.48x = 53,490,008.94
  5. Step 5: Solve for x
    x = 53,490,008.94/8,361.48
  6. Step 6: Final answer
    x = 6,397.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.