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Finding the Fourth Proportional to 26,483.70, 39,689.10 and 17,573.70

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Solution

The fourth proportional to 26,483.70, 39,689.10 and 17,573.70 is: 26,336.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,483.70 : 39,689.10 = 17,573.70 : x
  2. Step 2: Convert to fraction form
    26,483.70/39,689.10 = 17,573.70/x
  3. Step 3: Cross multiply
    26,483.70x = 39,689.10 × 17,573.70
  4. Step 4: Simplify right side
    26,483.70x = 697,484,336.67
  5. Step 5: Solve for x
    x = 697,484,336.67/26,483.70
  6. Step 6: Final answer
    x = 26,336.36

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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.