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Finding the Fourth Proportional to 58,811.87, 88,221.76 and 19,369.33

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Solution

The fourth proportional to 58,811.87, 88,221.76 and 19,369.33 is: 29,055.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,811.87 : 88,221.76 = 19,369.33 : x
  2. Step 2: Convert to fraction form
    58,811.87/88,221.76 = 19,369.33/x
  3. Step 3: Cross multiply
    58,811.87x = 88,221.76 × 19,369.33
  4. Step 4: Simplify right side
    58,811.87x = 1,708,796,113.64
  5. Step 5: Solve for x
    x = 1,708,796,113.64/58,811.87
  6. Step 6: Final answer
    x = 29,055.29

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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.