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Finding the Fourth Proportional to 57,217.02, 85,831.04 and 17,763.54

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Solution

The fourth proportional to 57,217.02, 85,831.04 and 17,763.54 is: 26,647.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,217.02 : 85,831.04 = 17,763.54 : x
  2. Step 2: Convert to fraction form
    57,217.02/85,831.04 = 17,763.54/x
  3. Step 3: Cross multiply
    57,217.02x = 85,831.04 × 17,763.54
  4. Step 4: Simplify right side
    57,217.02x = 1,524,662,834.82
  5. Step 5: Solve for x
    x = 1,524,662,834.82/57,217.02
  6. Step 6: Final answer
    x = 26,647.02

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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.