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Finding the Fourth Proportional to 54,661.60, 81,992.40 and 37,165.60

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Solution

The fourth proportional to 54,661.60, 81,992.40 and 37,165.60 is: 55,748.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,661.60 : 81,992.40 = 37,165.60 : x
  2. Step 2: Convert to fraction form
    54,661.60/81,992.40 = 37,165.60/x
  3. Step 3: Cross multiply
    54,661.60x = 81,992.40 × 37,165.60
  4. Step 4: Simplify right side
    54,661.60x = 3,047,296,741.44
  5. Step 5: Solve for x
    x = 3,047,296,741.44/54,661.60
  6. Step 6: Final answer
    x = 55,748.40

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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.