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Finding the Fourth Proportional to 58,838.87, 88,230.57 and 21,372.53

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Solution

The fourth proportional to 58,838.87, 88,230.57 and 21,372.53 is: 32,048.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,838.87 : 88,230.57 = 21,372.53 : x
  2. Step 2: Convert to fraction form
    58,838.87/88,230.57 = 21,372.53/x
  3. Step 3: Cross multiply
    58,838.87x = 88,230.57 × 21,372.53
  4. Step 4: Simplify right side
    58,838.87x = 1,885,710,063.09
  5. Step 5: Solve for x
    x = 1,885,710,063.09/58,838.87
  6. Step 6: Final answer
    x = 32,048.72

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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.