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Finding the Fourth Proportional to 58,609.81, 87,925.61 and 19,169.02

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Solution

The fourth proportional to 58,609.81, 87,925.61 and 19,169.02 is: 28,757.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,609.81 : 87,925.61 = 19,169.02 : x
  2. Step 2: Convert to fraction form
    58,609.81/87,925.61 = 19,169.02/x
  3. Step 3: Cross multiply
    58,609.81x = 87,925.61 × 19,169.02
  4. Step 4: Simplify right side
    58,609.81x = 1,685,447,776.60
  5. Step 5: Solve for x
    x = 1,685,447,776.60/58,609.81
  6. Step 6: Final answer
    x = 28,757.09

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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.