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Finding the Fourth Proportional to 57,649.06, 79,573.44 and 33,783.44

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Solution

The fourth proportional to 57,649.06, 79,573.44 and 33,783.44 is: 46,631.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,649.06 : 79,573.44 = 33,783.44 : x
  2. Step 2: Convert to fraction form
    57,649.06/79,573.44 = 33,783.44/x
  3. Step 3: Cross multiply
    57,649.06x = 79,573.44 × 33,783.44
  4. Step 4: Simplify right side
    57,649.06x = 2,688,264,535.83
  5. Step 5: Solve for x
    x = 2,688,264,535.83/57,649.06
  6. Step 6: Final answer
    x = 46,631.54

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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.