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Finding the Fourth Proportional to 34,339.44, 47,385.24 and 19,435.44

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Solution

The fourth proportional to 34,339.44, 47,385.24 and 19,435.44 is: 26,819.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,339.44 : 47,385.24 = 19,435.44 : x
  2. Step 2: Convert to fraction form
    34,339.44/47,385.24 = 19,435.44/x
  3. Step 3: Cross multiply
    34,339.44x = 47,385.24 × 19,435.44
  4. Step 4: Simplify right side
    34,339.44x = 920,952,988.91
  5. Step 5: Solve for x
    x = 920,952,988.91/34,339.44
  6. Step 6: Final answer
    x = 26,819.10

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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.