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Finding the Fourth Proportional to 58,969.62, 88,438 and 19,529.81

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Solution

The fourth proportional to 58,969.62, 88,438 and 19,529.81 is: 29,289.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,969.62 : 88,438 = 19,529.81 : x
  2. Step 2: Convert to fraction form
    58,969.62/88,438 = 19,529.81/x
  3. Step 3: Cross multiply
    58,969.62x = 88,438 × 19,529.81
  4. Step 4: Simplify right side
    58,969.62x = 1,727,177,336.78
  5. Step 5: Solve for x
    x = 1,727,177,336.78/58,969.62
  6. Step 6: Final answer
    x = 29,289.27

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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.