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Finding the Fourth Proportional to 33,851.76, 46,715.46 and 18,947.76

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Solution

The fourth proportional to 33,851.76, 46,715.46 and 18,947.76 is: 26,147.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,851.76 : 46,715.46 = 18,947.76 : x
  2. Step 2: Convert to fraction form
    33,851.76/46,715.46 = 18,947.76/x
  3. Step 3: Cross multiply
    33,851.76x = 46,715.46 × 18,947.76
  4. Step 4: Simplify right side
    33,851.76x = 885,153,324.37
  5. Step 5: Solve for x
    x = 885,153,324.37/33,851.76
  6. Step 6: Final answer
    x = 26,147.93

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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.