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Finding the Fourth Proportional to 63,189.44, 87,201.46 and 34,509.50

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Solution

The fourth proportional to 63,189.44, 87,201.46 and 34,509.50 is: 47,623.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,189.44 : 87,201.46 = 34,509.50 : x
  2. Step 2: Convert to fraction form
    63,189.44/87,201.46 = 34,509.50/x
  3. Step 3: Cross multiply
    63,189.44x = 87,201.46 × 34,509.50
  4. Step 4: Simplify right side
    63,189.44x = 3,009,278,783.87
  5. Step 5: Solve for x
    x = 3,009,278,783.87/63,189.44
  6. Step 6: Final answer
    x = 47,623.13

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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.