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Finding the Fourth Proportional to 27,903.40, 41,903.70 and 27,028.60

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Solution

The fourth proportional to 27,903.40, 41,903.70 and 27,028.60 is: 40,589.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,903.40 : 41,903.70 = 27,028.60 : x
  2. Step 2: Convert to fraction form
    27,903.40/41,903.70 = 27,028.60/x
  3. Step 3: Cross multiply
    27,903.40x = 41,903.70 × 27,028.60
  4. Step 4: Simplify right side
    27,903.40x = 1,132,598,345.82
  5. Step 5: Solve for x
    x = 1,132,598,345.82/27,903.40
  6. Step 6: Final answer
    x = 40,589.98

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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.