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Finding the Fourth Proportional to 53,800.48, 74,245.48 and 32,581.76

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Solution

The fourth proportional to 53,800.48, 74,245.48 and 32,581.76 is: 44,963.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,800.48 : 74,245.48 = 32,581.76 : x
  2. Step 2: Convert to fraction form
    53,800.48/74,245.48 = 32,581.76/x
  3. Step 3: Cross multiply
    53,800.48x = 74,245.48 × 32,581.76
  4. Step 4: Simplify right side
    53,800.48x = 2,419,048,410.44
  5. Step 5: Solve for x
    x = 2,419,048,410.44/53,800.48
  6. Step 6: Final answer
    x = 44,963.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.