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Finding the Fourth Proportional to 58,181.79, 80,272.41 and 35,509.43

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Solution

The fourth proportional to 58,181.79, 80,272.41 and 35,509.43 is: 48,991.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,181.79 : 80,272.41 = 35,509.43 : x
  2. Step 2: Convert to fraction form
    58,181.79/80,272.41 = 35,509.43/x
  3. Step 3: Cross multiply
    58,181.79x = 80,272.41 × 35,509.43
  4. Step 4: Simplify right side
    58,181.79x = 2,850,427,122.46
  5. Step 5: Solve for x
    x = 2,850,427,122.46/58,181.79
  6. Step 6: Final answer
    x = 48,991.74

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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.