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Finding the Fourth Proportional to 58,580.85, 80,844.51 and 34,382.86

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Solution

The fourth proportional to 58,580.85, 80,844.51 and 34,382.86 is: 47,450.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,580.85 : 80,844.51 = 34,382.86 : x
  2. Step 2: Convert to fraction form
    58,580.85/80,844.51 = 34,382.86/x
  3. Step 3: Cross multiply
    58,580.85x = 80,844.51 × 34,382.86
  4. Step 4: Simplify right side
    58,580.85x = 2,779,665,395.92
  5. Step 5: Solve for x
    x = 2,779,665,395.92/58,580.85
  6. Step 6: Final answer
    x = 47,450.07

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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.