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Finding the Fourth Proportional to 58,137.84, 80,230.14 and 32,987.34

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Solution

The fourth proportional to 58,137.84, 80,230.14 and 32,987.34 is: 45,522.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,137.84 : 80,230.14 = 32,987.34 : x
  2. Step 2: Convert to fraction form
    58,137.84/80,230.14 = 32,987.34/x
  3. Step 3: Cross multiply
    58,137.84x = 80,230.14 × 32,987.34
  4. Step 4: Simplify right side
    58,137.84x = 2,646,578,906.43
  5. Step 5: Solve for x
    x = 2,646,578,906.43/58,137.84
  6. Step 6: Final answer
    x = 45,522.48

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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.