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Finding the Fourth Proportional to 39,660, 59,483.62 and 11,573.46

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Solution

The fourth proportional to 39,660, 59,483.62 and 11,573.46 is: 17,358.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,660 : 59,483.62 = 11,573.46 : x
  2. Step 2: Convert to fraction form
    39,660/59,483.62 = 11,573.46/x
  3. Step 3: Cross multiply
    39,660x = 59,483.62 × 11,573.46
  4. Step 4: Simplify right side
    39,660x = 688,431,267.79
  5. Step 5: Solve for x
    x = 688,431,267.79/39,660
  6. Step 6: Final answer
    x = 17,358.33

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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.