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Finding the Fourth Proportional to 56,583.01, 84,874.92 and 17,143.03

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Solution

The fourth proportional to 56,583.01, 84,874.92 and 17,143.03 is: 25,714.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,583.01 : 84,874.92 = 17,143.03 : x
  2. Step 2: Convert to fraction form
    56,583.01/84,874.92 = 17,143.03/x
  3. Step 3: Cross multiply
    56,583.01x = 84,874.92 × 17,143.03
  4. Step 4: Simplify right side
    56,583.01x = 1,455,013,299.81
  5. Step 5: Solve for x
    x = 1,455,013,299.81/56,583.01
  6. Step 6: Final answer
    x = 25,714.67

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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.