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Finding the Fourth Proportional to 45,187.56, 67,707.22 and 32,016.42

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Solution

The fourth proportional to 45,187.56, 67,707.22 and 32,016.42 is: 47,972.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,187.56 : 67,707.22 = 32,016.42 : x
  2. Step 2: Convert to fraction form
    45,187.56/67,707.22 = 32,016.42/x
  3. Step 3: Cross multiply
    45,187.56x = 67,707.22 × 32,016.42
  4. Step 4: Simplify right side
    45,187.56x = 2,167,742,293.93
  5. Step 5: Solve for x
    x = 2,167,742,293.93/45,187.56
  6. Step 6: Final answer
    x = 47,972.11

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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.