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Finding the Fourth Proportional to 38,533.44, 57,807.96 and 21,901.44

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Solution

The fourth proportional to 38,533.44, 57,807.96 and 21,901.44 is: 32,856.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,533.44 : 57,807.96 = 21,901.44 : x
  2. Step 2: Convert to fraction form
    38,533.44/57,807.96 = 21,901.44/x
  3. Step 3: Cross multiply
    38,533.44x = 57,807.96 × 21,901.44
  4. Step 4: Simplify right side
    38,533.44x = 1,266,077,567.46
  5. Step 5: Solve for x
    x = 1,266,077,567.46/38,533.44
  6. Step 6: Final answer
    x = 32,856.59

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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.