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Finding the Fourth Proportional to 70,487.94, 105,751.44 and 32,548.81

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Solution

The fourth proportional to 70,487.94, 105,751.44 and 32,548.81 is: 48,832.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,487.94 : 105,751.44 = 32,548.81 : x
  2. Step 2: Convert to fraction form
    70,487.94/105,751.44 = 32,548.81/x
  3. Step 3: Cross multiply
    70,487.94x = 105,751.44 × 32,548.81
  4. Step 4: Simplify right side
    70,487.94x = 3,442,083,527.79
  5. Step 5: Solve for x
    x = 3,442,083,527.79/70,487.94
  6. Step 6: Final answer
    x = 48,832.23

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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.