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Finding the Fourth Proportional to 58,786.02, 88,210.62 and 39,073.86

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Solution

The fourth proportional to 58,786.02, 88,210.62 and 39,073.86 is: 58,631.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,786.02 : 88,210.62 = 39,073.86 : x
  2. Step 2: Convert to fraction form
    58,786.02/88,210.62 = 39,073.86/x
  3. Step 3: Cross multiply
    58,786.02x = 88,210.62 × 39,073.86
  4. Step 4: Simplify right side
    58,786.02x = 3,446,729,416.39
  5. Step 5: Solve for x
    x = 3,446,729,416.39/58,786.02
  6. Step 6: Final answer
    x = 58,631.79

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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.