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Finding the Fourth Proportional to 35,465.50, 48,951.81 and 20,942.41

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Solution

The fourth proportional to 35,465.50, 48,951.81 and 20,942.41 is: 28,906.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,465.50 : 48,951.81 = 20,942.41 : x
  2. Step 2: Convert to fraction form
    35,465.50/48,951.81 = 20,942.41/x
  3. Step 3: Cross multiply
    35,465.50x = 48,951.81 × 20,942.41
  4. Step 4: Simplify right side
    35,465.50x = 1,025,168,875.26
  5. Step 5: Solve for x
    x = 1,025,168,875.26/35,465.50
  6. Step 6: Final answer
    x = 28,906.09

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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.