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Finding the Fourth Proportional to 58,237.56, 87,368.76 and 33,289.56

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Solution

The fourth proportional to 58,237.56, 87,368.76 and 33,289.56 is: 49,941.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,237.56 : 87,368.76 = 33,289.56 : x
  2. Step 2: Convert to fraction form
    58,237.56/87,368.76 = 33,289.56/x
  3. Step 3: Cross multiply
    58,237.56x = 87,368.76 × 33,289.56
  4. Step 4: Simplify right side
    58,237.56x = 2,908,467,578.15
  5. Step 5: Solve for x
    x = 2,908,467,578.15/58,237.56
  6. Step 6: Final answer
    x = 49,941.44

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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.