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Finding the Fourth Proportional to 19,509.31, 29,263.93 and 6,361.66

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Solution

The fourth proportional to 19,509.31, 29,263.93 and 6,361.66 is: 9,542.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,509.31 : 29,263.93 = 6,361.66 : x
  2. Step 2: Convert to fraction form
    19,509.31/29,263.93 = 6,361.66/x
  3. Step 3: Cross multiply
    19,509.31x = 29,263.93 × 6,361.66
  4. Step 4: Simplify right side
    19,509.31x = 186,167,172.92
  5. Step 5: Solve for x
    x = 186,167,172.92/19,509.31
  6. Step 6: Final answer
    x = 9,542.48

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1.5x scale

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.