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Finding the Fourth Proportional to 35,465.56, 48,946.90 and 20,362.95

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Solution

The fourth proportional to 35,465.56, 48,946.90 and 20,362.95 is: 28,103.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,465.56 : 48,946.90 = 20,362.95 : x
  2. Step 2: Convert to fraction form
    35,465.56/48,946.90 = 20,362.95/x
  3. Step 3: Cross multiply
    35,465.56x = 48,946.90 × 20,362.95
  4. Step 4: Simplify right side
    35,465.56x = 996,703,277.36
  5. Step 5: Solve for x
    x = 996,703,277.36/35,465.56
  6. Step 6: Final answer
    x = 28,103.42

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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.