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Finding the Fourth Proportional to 46,121.62, 63,652.62 and 28,228.54

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Solution

The fourth proportional to 46,121.62, 63,652.62 and 28,228.54 is: 38,958.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,121.62 : 63,652.62 = 28,228.54 : x
  2. Step 2: Convert to fraction form
    46,121.62/63,652.62 = 28,228.54/x
  3. Step 3: Cross multiply
    46,121.62x = 63,652.62 × 28,228.54
  4. Step 4: Simplify right side
    46,121.62x = 1,796,820,529.77
  5. Step 5: Solve for x
    x = 1,796,820,529.77/46,121.62
  6. Step 6: Final answer
    x = 38,958.31

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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.