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Finding the Fourth Proportional to 35,465.76, 48,942.73 and 19,550.48

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Solution

The fourth proportional to 35,465.76, 48,942.73 and 19,550.48 is: 26,979.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,465.76 : 48,942.73 = 19,550.48 : x
  2. Step 2: Convert to fraction form
    35,465.76/48,942.73 = 19,550.48/x
  3. Step 3: Cross multiply
    35,465.76x = 48,942.73 × 19,550.48
  4. Step 4: Simplify right side
    35,465.76x = 956,853,643.73
  5. Step 5: Solve for x
    x = 956,853,643.73/35,465.76
  6. Step 6: Final answer
    x = 26,979.65

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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.