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Finding the Fourth Proportional to 50,465.78, 75,698.06 and 15,405.54

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Solution

The fourth proportional to 50,465.78, 75,698.06 and 15,405.54 is: 23,108.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,465.78 : 75,698.06 = 15,405.54 : x
  2. Step 2: Convert to fraction form
    50,465.78/75,698.06 = 15,405.54/x
  3. Step 3: Cross multiply
    50,465.78x = 75,698.06 × 15,405.54
  4. Step 4: Simplify right side
    50,465.78x = 1,166,169,414.22
  5. Step 5: Solve for x
    x = 1,166,169,414.22/50,465.78
  6. Step 6: Final answer
    x = 23,108.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.