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Finding the Fourth Proportional to 54,941.60, 82,407.60 and 18,005.60

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Solution

The fourth proportional to 54,941.60, 82,407.60 and 18,005.60 is: 27,006.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,941.60 : 82,407.60 = 18,005.60 : x
  2. Step 2: Convert to fraction form
    54,941.60/82,407.60 = 18,005.60/x
  3. Step 3: Cross multiply
    54,941.60x = 82,407.60 × 18,005.60
  4. Step 4: Simplify right side
    54,941.60x = 1,483,798,282.56
  5. Step 5: Solve for x
    x = 1,483,798,282.56/54,941.60
  6. Step 6: Final answer
    x = 27,006.83

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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.