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Finding the Fourth Proportional to 63,187.44, 87,198.71 and 34,507.50

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Solution

The fourth proportional to 63,187.44, 87,198.71 and 34,507.50 is: 47,620.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,187.44 : 87,198.71 = 34,507.50 : x
  2. Step 2: Convert to fraction form
    63,187.44/87,198.71 = 34,507.50/x
  3. Step 3: Cross multiply
    63,187.44x = 87,198.71 × 34,507.50
  4. Step 4: Simplify right side
    63,187.44x = 3,009,009,312.79
  5. Step 5: Solve for x
    x = 3,009,009,312.79/63,187.44
  6. Step 6: Final answer
    x = 47,620.37

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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.