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Finding the Fourth Proportional to 40,485.25, 55,874.52 and 23,718.25

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Solution

The fourth proportional to 40,485.25, 55,874.52 and 23,718.25 is: 32,734.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,485.25 : 55,874.52 = 23,718.25 : x
  2. Step 2: Convert to fraction form
    40,485.25/55,874.52 = 23,718.25/x
  3. Step 3: Cross multiply
    40,485.25x = 55,874.52 × 23,718.25
  4. Step 4: Simplify right side
    40,485.25x = 1,325,245,833.99
  5. Step 5: Solve for x
    x = 1,325,245,833.99/40,485.25
  6. Step 6: Final answer
    x = 32,734.04

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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.