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Finding the Fourth Proportional to 62,381.10, 93,583.80 and 18,009.30

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Solution

The fourth proportional to 62,381.10, 93,583.80 and 18,009.30 is: 27,017.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,381.10 : 93,583.80 = 18,009.30 : x
  2. Step 2: Convert to fraction form
    62,381.10/93,583.80 = 18,009.30/x
  3. Step 3: Cross multiply
    62,381.10x = 93,583.80 × 18,009.30
  4. Step 4: Simplify right side
    62,381.10x = 1,685,378,729.34
  5. Step 5: Solve for x
    x = 1,685,378,729.34/62,381.10
  6. Step 6: Final answer
    x = 27,017.46

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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.