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Finding the Fourth Proportional to 63,189.25, 94,783.87 and 43,407.83

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Solution

The fourth proportional to 63,189.25, 94,783.87 and 43,407.83 is: 65,111.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,189.25 : 94,783.87 = 43,407.83 : x
  2. Step 2: Convert to fraction form
    63,189.25/94,783.87 = 43,407.83/x
  3. Step 3: Cross multiply
    63,189.25x = 94,783.87 × 43,407.83
  4. Step 4: Simplify right side
    63,189.25x = 4,114,362,406.92
  5. Step 5: Solve for x
    x = 4,114,362,406.92/63,189.25
  6. Step 6: Final answer
    x = 65,111.75

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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.