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Finding the Fourth Proportional to 58,515.70, 87,782.66 and 19,063.63

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Solution

The fourth proportional to 58,515.70, 87,782.66 and 19,063.63 is: 28,598.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,515.70 : 87,782.66 = 19,063.63 : x
  2. Step 2: Convert to fraction form
    58,515.70/87,782.66 = 19,063.63/x
  3. Step 3: Cross multiply
    58,515.70x = 87,782.66 × 19,063.63
  4. Step 4: Simplify right side
    58,515.70x = 1,673,456,150.66
  5. Step 5: Solve for x
    x = 1,673,456,150.66/58,515.70
  6. Step 6: Final answer
    x = 28,598.41

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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.