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Finding the Fourth Proportional to 53,701.60, 80,473.20 and 38,941.60

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Solution

The fourth proportional to 53,701.60, 80,473.20 and 38,941.60 is: 58,354.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,701.60 : 80,473.20 = 38,941.60 : x
  2. Step 2: Convert to fraction form
    53,701.60/80,473.20 = 38,941.60/x
  3. Step 3: Cross multiply
    53,701.60x = 80,473.20 × 38,941.60
  4. Step 4: Simplify right side
    53,701.60x = 3,133,755,165.12
  5. Step 5: Solve for x
    x = 3,133,755,165.12/53,701.60
  6. Step 6: Final answer
    x = 58,354.97

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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.