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Finding the Fourth Proportional to 89,889.10, 134,798.60 and 33,698.57

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Solution

The fourth proportional to 89,889.10, 134,798.60 and 33,698.57 is: 50,534.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,889.10 : 134,798.60 = 33,698.57 : x
  2. Step 2: Convert to fraction form
    89,889.10/134,798.60 = 33,698.57/x
  3. Step 3: Cross multiply
    89,889.10x = 134,798.60 × 33,698.57
  4. Step 4: Simplify right side
    89,889.10x = 4,542,519,889.51
  5. Step 5: Solve for x
    x = 4,542,519,889.51/89,889.10
  6. Step 6: Final answer
    x = 50,534.72

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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.