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Finding the Fourth Proportional to 47,996.68, 71,994.71 and 25,820.50

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Solution

The fourth proportional to 47,996.68, 71,994.71 and 25,820.50 is: 38,730.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,996.68 : 71,994.71 = 25,820.50 : x
  2. Step 2: Convert to fraction form
    47,996.68/71,994.71 = 25,820.50/x
  3. Step 3: Cross multiply
    47,996.68x = 71,994.71 × 25,820.50
  4. Step 4: Simplify right side
    47,996.68x = 1,858,939,409.56
  5. Step 5: Solve for x
    x = 1,858,939,409.56/47,996.68
  6. Step 6: Final answer
    x = 38,730.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.