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Finding the Fourth Proportional to 58,118.58, 80,183.01 and 37,987.08

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Solution

The fourth proportional to 58,118.58, 80,183.01 and 37,987.08 is: 52,408.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,118.58 : 80,183.01 = 37,987.08 : x
  2. Step 2: Convert to fraction form
    58,118.58/80,183.01 = 37,987.08/x
  3. Step 3: Cross multiply
    58,118.58x = 80,183.01 × 37,987.08
  4. Step 4: Simplify right side
    58,118.58x = 3,045,918,933.82
  5. Step 5: Solve for x
    x = 3,045,918,933.82/58,118.58
  6. Step 6: Final answer
    x = 52,408.70

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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.