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Finding the Fourth Proportional to 34,347.38, 47,399.38 and 19,443.38

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Solution

The fourth proportional to 34,347.38, 47,399.38 and 19,443.38 is: 26,831.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,347.38 : 47,399.38 = 19,443.38 : x
  2. Step 2: Convert to fraction form
    34,347.38/47,399.38 = 19,443.38/x
  3. Step 3: Cross multiply
    34,347.38x = 47,399.38 × 19,443.38
  4. Step 4: Simplify right side
    34,347.38x = 921,603,871.50
  5. Step 5: Solve for x
    x = 921,603,871.50/34,347.38
  6. Step 6: Final answer
    x = 26,831.86

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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.