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Finding the Fourth Proportional to 58,571.89, 87,857.04 and 14,199.02

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Solution

The fourth proportional to 58,571.89, 87,857.04 and 14,199.02 is: 21,298.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,571.89 : 87,857.04 = 14,199.02 : x
  2. Step 2: Convert to fraction form
    58,571.89/87,857.04 = 14,199.02/x
  3. Step 3: Cross multiply
    58,571.89x = 87,857.04 × 14,199.02
  4. Step 4: Simplify right side
    58,571.89x = 1,247,483,868.10
  5. Step 5: Solve for x
    x = 1,247,483,868.10/58,571.89
  6. Step 6: Final answer
    x = 21,298.34

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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.