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Finding the Fourth Proportional to 58,911.91, 88,384.34 and 19,496.77

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Solution

The fourth proportional to 58,911.91, 88,384.34 and 19,496.77 is: 29,250.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,911.91 : 88,384.34 = 19,496.77 : x
  2. Step 2: Convert to fraction form
    58,911.91/88,384.34 = 19,496.77/x
  3. Step 3: Cross multiply
    58,911.91x = 88,384.34 × 19,496.77
  4. Step 4: Simplify right side
    58,911.91x = 1,723,209,148.58
  5. Step 5: Solve for x
    x = 1,723,209,148.58/58,911.91
  6. Step 6: Final answer
    x = 29,250.61

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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.