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Finding the Fourth Proportional to 53,847.60, 80,771.40 and 27,603.60

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Solution

The fourth proportional to 53,847.60, 80,771.40 and 27,603.60 is: 41,405.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,847.60 : 80,771.40 = 27,603.60 : x
  2. Step 2: Convert to fraction form
    53,847.60/80,771.40 = 27,603.60/x
  3. Step 3: Cross multiply
    53,847.60x = 80,771.40 × 27,603.60
  4. Step 4: Simplify right side
    53,847.60x = 2,229,581,417.04
  5. Step 5: Solve for x
    x = 2,229,581,417.04/53,847.60
  6. Step 6: Final answer
    x = 41,405.40

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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.