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Finding the Fourth Proportional to 34,447.92, 51,541.46 and 20,415.48

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Solution

The fourth proportional to 34,447.92, 51,541.46 and 20,415.48 is: 30,545.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,447.92 : 51,541.46 = 20,415.48 : x
  2. Step 2: Convert to fraction form
    34,447.92/51,541.46 = 20,415.48/x
  3. Step 3: Cross multiply
    34,447.92x = 51,541.46 × 20,415.48
  4. Step 4: Simplify right side
    34,447.92x = 1,052,243,543.72
  5. Step 5: Solve for x
    x = 1,052,243,543.72/34,447.92
  6. Step 6: Final answer
    x = 30,545.92

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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.