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Finding the Fourth Proportional to 47,159.37, 70,741.49 and 12,099.33

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Solution

The fourth proportional to 47,159.37, 70,741.49 and 12,099.33 is: 18,149.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,159.37 : 70,741.49 = 12,099.33 : x
  2. Step 2: Convert to fraction form
    47,159.37/70,741.49 = 12,099.33/x
  3. Step 3: Cross multiply
    47,159.37x = 70,741.49 × 12,099.33
  4. Step 4: Simplify right side
    47,159.37x = 855,924,571.71
  5. Step 5: Solve for x
    x = 855,924,571.71/47,159.37
  6. Step 6: Final answer
    x = 18,149.62

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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.