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Finding the Fourth Proportional to 34,856.36, 48,100.50 and 18,940.47

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Solution

The fourth proportional to 34,856.36, 48,100.50 and 18,940.47 is: 26,137.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,856.36 : 48,100.50 = 18,940.47 : x
  2. Step 2: Convert to fraction form
    34,856.36/48,100.50 = 18,940.47/x
  3. Step 3: Cross multiply
    34,856.36x = 48,100.50 × 18,940.47
  4. Step 4: Simplify right side
    34,856.36x = 911,046,077.24
  5. Step 5: Solve for x
    x = 911,046,077.24/34,856.36
  6. Step 6: Final answer
    x = 26,137.15

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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.