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Finding the Fourth Proportional to 57,065.44, 85,431.60 and 33,300.16

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Solution

The fourth proportional to 57,065.44, 85,431.60 and 33,300.16 is: 49,853.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,065.44 : 85,431.60 = 33,300.16 : x
  2. Step 2: Convert to fraction form
    57,065.44/85,431.60 = 33,300.16/x
  3. Step 3: Cross multiply
    57,065.44x = 85,431.60 × 33,300.16
  4. Step 4: Simplify right side
    57,065.44x = 2,844,885,949.06
  5. Step 5: Solve for x
    x = 2,844,885,949.06/57,065.44
  6. Step 6: Final answer
    x = 49,853.05

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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.