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Finding the Fourth Proportional to 58,441, 87,673.02 and 18,999.08

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Solution

The fourth proportional to 58,441, 87,673.02 and 18,999.08 is: 28,502.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,441 : 87,673.02 = 18,999.08 : x
  2. Step 2: Convert to fraction form
    58,441/87,673.02 = 18,999.08/x
  3. Step 3: Cross multiply
    58,441x = 87,673.02 × 18,999.08
  4. Step 4: Simplify right side
    58,441x = 1,665,706,720.82
  5. Step 5: Solve for x
    x = 1,665,706,720.82/58,441
  6. Step 6: Final answer
    x = 28,502.37

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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.