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Finding the Fourth Proportional to 17,483, 26,230.56 and 7,617.20

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Solution

The fourth proportional to 17,483, 26,230.56 and 7,617.20 is: 11,428.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,483 : 26,230.56 = 7,617.20 : x
  2. Step 2: Convert to fraction form
    17,483/26,230.56 = 7,617.20/x
  3. Step 3: Cross multiply
    17,483x = 26,230.56 × 7,617.20
  4. Step 4: Simplify right side
    17,483x = 199,803,421.63
  5. Step 5: Solve for x
    x = 199,803,421.63/17,483
  6. Step 6: Final answer
    x = 11,428.44

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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.