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Finding the Fourth Proportional to 35,465.91, 48,942.37 and 19,333.40

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Solution

The fourth proportional to 35,465.91, 48,942.37 and 19,333.40 is: 26,679.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,465.91 : 48,942.37 = 19,333.40 : x
  2. Step 2: Convert to fraction form
    35,465.91/48,942.37 = 19,333.40/x
  3. Step 3: Cross multiply
    35,465.91x = 48,942.37 × 19,333.40
  4. Step 4: Simplify right side
    35,465.91x = 946,222,416.16
  5. Step 5: Solve for x
    x = 946,222,416.16/35,465.91
  6. Step 6: Final answer
    x = 26,679.77

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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.