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Finding the Fourth Proportional to 63,335.70, 87,415.30 and 45,235.44

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Solution

The fourth proportional to 63,335.70, 87,415.30 and 45,235.44 is: 62,433.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,335.70 : 87,415.30 = 45,235.44 : x
  2. Step 2: Convert to fraction form
    63,335.70/87,415.30 = 45,235.44/x
  3. Step 3: Cross multiply
    63,335.70x = 87,415.30 × 45,235.44
  4. Step 4: Simplify right side
    63,335.70x = 3,954,269,558.23
  5. Step 5: Solve for x
    x = 3,954,269,558.23/63,335.70
  6. Step 6: Final answer
    x = 62,433.50

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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.