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Finding the Fourth Proportional to 2,610, 3,603.48 and 2,329.76

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Solution

The fourth proportional to 2,610, 3,603.48 and 2,329.76 is: 3,216.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,610 : 3,603.48 = 2,329.76 : x
  2. Step 2: Convert to fraction form
    2,610/3,603.48 = 2,329.76/x
  3. Step 3: Cross multiply
    2,610x = 3,603.48 × 2,329.76
  4. Step 4: Simplify right side
    2,610x = 8,395,225.55
  5. Step 5: Solve for x
    x = 8,395,225.55/2,610
  6. Step 6: Final answer
    x = 3,216.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.