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Finding the Fourth Proportional to 20,186.48, 27,875.04 and 19,525.52

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Solution

The fourth proportional to 20,186.48, 27,875.04 and 19,525.52 is: 26,962.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,186.48 : 27,875.04 = 19,525.52 : x
  2. Step 2: Convert to fraction form
    20,186.48/27,875.04 = 19,525.52/x
  3. Step 3: Cross multiply
    20,186.48x = 27,875.04 × 19,525.52
  4. Step 4: Simplify right side
    20,186.48x = 544,274,651.02
  5. Step 5: Solve for x
    x = 544,274,651.02/20,186.48
  6. Step 6: Final answer
    x = 26,962.34

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.