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Finding the Fourth Proportional to 29,396.80, 44,030.40 and 17,689.60

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Solution

The fourth proportional to 29,396.80, 44,030.40 and 17,689.60 is: 26,495.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,396.80 : 44,030.40 = 17,689.60 : x
  2. Step 2: Convert to fraction form
    29,396.80/44,030.40 = 17,689.60/x
  3. Step 3: Cross multiply
    29,396.80x = 44,030.40 × 17,689.60
  4. Step 4: Simplify right side
    29,396.80x = 778,880,163.84
  5. Step 5: Solve for x
    x = 778,880,163.84/29,396.80
  6. Step 6: Final answer
    x = 26,495.41

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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.