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Finding the Fourth Proportional to 30,736.60, 46,007.70 and 16,661.50

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Solution

The fourth proportional to 30,736.60, 46,007.70 and 16,661.50 is: 24,939.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,736.60 : 46,007.70 = 16,661.50 : x
  2. Step 2: Convert to fraction form
    30,736.60/46,007.70 = 16,661.50/x
  3. Step 3: Cross multiply
    30,736.60x = 46,007.70 × 16,661.50
  4. Step 4: Simplify right side
    30,736.60x = 766,557,293.55
  5. Step 5: Solve for x
    x = 766,557,293.55/30,736.60
  6. Step 6: Final answer
    x = 24,939.56

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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.