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Finding the Fourth Proportional to 22,125.76, 30,527.04 and 13,168.76

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Solution

The fourth proportional to 22,125.76, 30,527.04 and 13,168.76 is: 18,169.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,125.76 : 30,527.04 = 13,168.76 : x
  2. Step 2: Convert to fraction form
    22,125.76/30,527.04 = 13,168.76/x
  3. Step 3: Cross multiply
    22,125.76x = 30,527.04 × 13,168.76
  4. Step 4: Simplify right side
    22,125.76x = 402,003,263.27
  5. Step 5: Solve for x
    x = 402,003,263.27/22,125.76
  6. Step 6: Final answer
    x = 18,169.01

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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.