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Finding the Fourth Proportional to 28,690.56, 43,203.60 and 25,036.56

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Solution

The fourth proportional to 28,690.56, 43,203.60 and 25,036.56 is: 37,701.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,690.56 : 43,203.60 = 25,036.56 : x
  2. Step 2: Convert to fraction form
    28,690.56/43,203.60 = 25,036.56/x
  3. Step 3: Cross multiply
    28,690.56x = 43,203.60 × 25,036.56
  4. Step 4: Simplify right side
    28,690.56x = 1,081,669,523.62
  5. Step 5: Solve for x
    x = 1,081,669,523.62/28,690.56
  6. Step 6: Final answer
    x = 37,701.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.