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Finding the Fourth Proportional to 58,093.62, 87,132.19 and 18,645.63

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Solution

The fourth proportional to 58,093.62, 87,132.19 and 18,645.63 is: 27,965.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,093.62 : 87,132.19 = 18,645.63 : x
  2. Step 2: Convert to fraction form
    58,093.62/87,132.19 = 18,645.63/x
  3. Step 3: Cross multiply
    58,093.62x = 87,132.19 × 18,645.63
  4. Step 4: Simplify right side
    58,093.62x = 1,624,634,575.83
  5. Step 5: Solve for x
    x = 1,624,634,575.83/58,093.62
  6. Step 6: Final answer
    x = 27,965.80

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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.