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Finding the Fourth Proportional to 33,947.74, 46,848 and 18,840.70

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Solution

The fourth proportional to 33,947.74, 46,848 and 18,840.70 is: 26,000.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,947.74 : 46,848 = 18,840.70 : x
  2. Step 2: Convert to fraction form
    33,947.74/46,848 = 18,840.70/x
  3. Step 3: Cross multiply
    33,947.74x = 46,848 × 18,840.70
  4. Step 4: Simplify right side
    33,947.74x = 882,649,113.60
  5. Step 5: Solve for x
    x = 882,649,113.60/33,947.74
  6. Step 6: Final answer
    x = 26,000.23

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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.