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Finding the Fourth Proportional to 46,485.40, 69,728.10 and 33,460.60

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Solution

The fourth proportional to 46,485.40, 69,728.10 and 33,460.60 is: 50,190.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,485.40 : 69,728.10 = 33,460.60 : x
  2. Step 2: Convert to fraction form
    46,485.40/69,728.10 = 33,460.60/x
  3. Step 3: Cross multiply
    46,485.40x = 69,728.10 × 33,460.60
  4. Step 4: Simplify right side
    46,485.40x = 2,333,144,062.86
  5. Step 5: Solve for x
    x = 2,333,144,062.86/46,485.40
  6. Step 6: Final answer
    x = 50,190.90

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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.