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Finding the Fourth Proportional to 57,330.90, 86,004.45 and 17,883.90

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Solution

The fourth proportional to 57,330.90, 86,004.45 and 17,883.90 is: 26,828.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,330.90 : 86,004.45 = 17,883.90 : x
  2. Step 2: Convert to fraction form
    57,330.90/86,004.45 = 17,883.90/x
  3. Step 3: Cross multiply
    57,330.90x = 86,004.45 × 17,883.90
  4. Step 4: Simplify right side
    57,330.90x = 1,538,094,983.36
  5. Step 5: Solve for x
    x = 1,538,094,983.36/57,330.90
  6. Step 6: Final answer
    x = 26,828.38

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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.