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Finding the Fourth Proportional to 34,367.25, 47,426.81 and 19,463.25

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Solution

The fourth proportional to 34,367.25, 47,426.81 and 19,463.25 is: 26,859.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,367.25 : 47,426.81 = 19,463.25 : x
  2. Step 2: Convert to fraction form
    34,367.25/47,426.81 = 19,463.25/x
  3. Step 3: Cross multiply
    34,367.25x = 47,426.81 × 19,463.25
  4. Step 4: Simplify right side
    34,367.25x = 923,079,762.42
  5. Step 5: Solve for x
    x = 923,079,762.42/34,367.25
  6. Step 6: Final answer
    x = 26,859.29

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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.