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Finding the Fourth Proportional to 58,245.35, 87,368.11 and 17,719.22

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Solution

The fourth proportional to 58,245.35, 87,368.11 and 17,719.22 is: 26,578.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,245.35 : 87,368.11 = 17,719.22 : x
  2. Step 2: Convert to fraction form
    58,245.35/87,368.11 = 17,719.22/x
  3. Step 3: Cross multiply
    58,245.35x = 87,368.11 × 17,719.22
  4. Step 4: Simplify right side
    58,245.35x = 1,548,094,236.64
  5. Step 5: Solve for x
    x = 1,548,094,236.64/58,245.35
  6. Step 6: Final answer
    x = 26,578.85

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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.