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Finding the Fourth Proportional to 58,334.70, 87,514.81 and 18,895.80

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Solution

The fourth proportional to 58,334.70, 87,514.81 and 18,895.80 is: 28,347.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,334.70 : 87,514.81 = 18,895.80 : x
  2. Step 2: Convert to fraction form
    58,334.70/87,514.81 = 18,895.80/x
  3. Step 3: Cross multiply
    58,334.70x = 87,514.81 × 18,895.80
  4. Step 4: Simplify right side
    58,334.70x = 1,653,662,346.80
  5. Step 5: Solve for x
    x = 1,653,662,346.80/58,334.70
  6. Step 6: Final answer
    x = 28,347.83

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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.