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Finding the Fourth Proportional to 47,745.60, 65,881.60 and 27,598.56

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Solution

The fourth proportional to 47,745.60, 65,881.60 and 27,598.56 is: 38,081.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,745.60 : 65,881.60 = 27,598.56 : x
  2. Step 2: Convert to fraction form
    47,745.60/65,881.60 = 27,598.56/x
  3. Step 3: Cross multiply
    47,745.60x = 65,881.60 × 27,598.56
  4. Step 4: Simplify right side
    47,745.60x = 1,818,237,290.50
  5. Step 5: Solve for x
    x = 1,818,237,290.50/47,745.60
  6. Step 6: Final answer
    x = 38,081.78

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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.