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Finding the Fourth Proportional to 34,341.44, 47,388 and 19,437.44

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Solution

The fourth proportional to 34,341.44, 47,388 and 19,437.44 is: 26,821.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,341.44 : 47,388 = 19,437.44 : x
  2. Step 2: Convert to fraction form
    34,341.44/47,388 = 19,437.44/x
  3. Step 3: Cross multiply
    34,341.44x = 47,388 × 19,437.44
  4. Step 4: Simplify right side
    34,341.44x = 921,101,406.72
  5. Step 5: Solve for x
    x = 921,101,406.72/34,341.44
  6. Step 6: Final answer
    x = 26,821.86

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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.