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Finding the Fourth Proportional to 34,197.87, 47,193.87 and 21,451.59

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Solution

The fourth proportional to 34,197.87, 47,193.87 and 21,451.59 is: 29,603.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,197.87 : 47,193.87 = 21,451.59 : x
  2. Step 2: Convert to fraction form
    34,197.87/47,193.87 = 21,451.59/x
  3. Step 3: Cross multiply
    34,197.87x = 47,193.87 × 21,451.59
  4. Step 4: Simplify right side
    34,197.87x = 1,012,383,631.71
  5. Step 5: Solve for x
    x = 1,012,383,631.71/34,197.87
  6. Step 6: Final answer
    x = 29,603.70

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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.