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Finding the Fourth Proportional to 58,637.04, 87,975.04 and 38,992.96

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Solution

The fourth proportional to 58,637.04, 87,975.04 and 38,992.96 is: 58,502.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,637.04 : 87,975.04 = 38,992.96 : x
  2. Step 2: Convert to fraction form
    58,637.04/87,975.04 = 38,992.96/x
  3. Step 3: Cross multiply
    58,637.04x = 87,975.04 × 38,992.96
  4. Step 4: Simplify right side
    58,637.04x = 3,430,407,215.72
  5. Step 5: Solve for x
    x = 3,430,407,215.72/58,637.04
  6. Step 6: Final answer
    x = 58,502.39

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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.