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Finding the Fourth Proportional to 53,288.60, 80,051.70 and 44,540.60

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Solution

The fourth proportional to 53,288.60, 80,051.70 and 44,540.60 is: 66,910.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,288.60 : 80,051.70 = 44,540.60 : x
  2. Step 2: Convert to fraction form
    53,288.60/80,051.70 = 44,540.60/x
  3. Step 3: Cross multiply
    53,288.60x = 80,051.70 × 44,540.60
  4. Step 4: Simplify right side
    53,288.60x = 3,565,550,749.02
  5. Step 5: Solve for x
    x = 3,565,550,749.02/53,288.60
  6. Step 6: Final answer
    x = 66,910.20

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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.