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Finding the Fourth Proportional to 55,999.50, 84,004.14 and 14,446.50

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Solution

The fourth proportional to 55,999.50, 84,004.14 and 14,446.50 is: 21,671.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,999.50 : 84,004.14 = 14,446.50 : x
  2. Step 2: Convert to fraction form
    55,999.50/84,004.14 = 14,446.50/x
  3. Step 3: Cross multiply
    55,999.50x = 84,004.14 × 14,446.50
  4. Step 4: Simplify right side
    55,999.50x = 1,213,565,808.51
  5. Step 5: Solve for x
    x = 1,213,565,808.51/55,999.50
  6. Step 6: Final answer
    x = 21,671.01

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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.