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Finding the Fourth Proportional to 47,168.88, 70,738.30 and 15,573.06

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Solution

The fourth proportional to 47,168.88, 70,738.30 and 15,573.06 is: 23,354.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,168.88 : 70,738.30 = 15,573.06 : x
  2. Step 2: Convert to fraction form
    47,168.88/70,738.30 = 15,573.06/x
  3. Step 3: Cross multiply
    47,168.88x = 70,738.30 × 15,573.06
  4. Step 4: Simplify right side
    47,168.88x = 1,101,611,790.20
  5. Step 5: Solve for x
    x = 1,101,611,790.20/47,168.88
  6. Step 6: Final answer
    x = 23,354.63

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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.