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Finding the Fourth Proportional to 47,156.56, 70,734.88 and 12,096.22

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Solution

The fourth proportional to 47,156.56, 70,734.88 and 12,096.22 is: 18,144.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,156.56 : 70,734.88 = 12,096.22 : x
  2. Step 2: Convert to fraction form
    47,156.56/70,734.88 = 12,096.22/x
  3. Step 3: Cross multiply
    47,156.56x = 70,734.88 × 12,096.22
  4. Step 4: Simplify right side
    47,156.56x = 855,624,670.15
  5. Step 5: Solve for x
    x = 855,624,670.15/47,156.56
  6. Step 6: Final answer
    x = 18,144.34

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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.