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Finding the Fourth Proportional to 34,750.95, 47,954.98 and 18,835.05

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Solution

The fourth proportional to 34,750.95, 47,954.98 and 18,835.05 is: 25,991.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,750.95 : 47,954.98 = 18,835.05 : x
  2. Step 2: Convert to fraction form
    34,750.95/47,954.98 = 18,835.05/x
  3. Step 3: Cross multiply
    34,750.95x = 47,954.98 × 18,835.05
  4. Step 4: Simplify right side
    34,750.95x = 903,234,446.05
  5. Step 5: Solve for x
    x = 903,234,446.05/34,750.95
  6. Step 6: Final answer
    x = 25,991.65

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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.