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Finding the Fourth Proportional to 34,763.73, 47,971.08 and 19,657.94

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Solution

The fourth proportional to 34,763.73, 47,971.08 and 19,657.94 is: 27,126.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,763.73 : 47,971.08 = 19,657.94 : x
  2. Step 2: Convert to fraction form
    34,763.73/47,971.08 = 19,657.94/x
  3. Step 3: Cross multiply
    34,763.73x = 47,971.08 × 19,657.94
  4. Step 4: Simplify right side
    34,763.73x = 943,012,372.52
  5. Step 5: Solve for x
    x = 943,012,372.52/34,763.73
  6. Step 6: Final answer
    x = 27,126.33

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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.