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Finding the Fourth Proportional to 58,540.86, 87,812.73 and 19,102.14

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Solution

The fourth proportional to 58,540.86, 87,812.73 and 19,102.14 is: 28,653.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,540.86 : 87,812.73 = 19,102.14 : x
  2. Step 2: Convert to fraction form
    58,540.86/87,812.73 = 19,102.14/x
  3. Step 3: Cross multiply
    58,540.86x = 87,812.73 × 19,102.14
  4. Step 4: Simplify right side
    58,540.86x = 1,677,411,062.24
  5. Step 5: Solve for x
    x = 1,677,411,062.24/58,540.86
  6. Step 6: Final answer
    x = 28,653.68

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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.