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Finding the Fourth Proportional to 18,607.49, 27,910.63 and 4,567.56

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Solution

The fourth proportional to 18,607.49, 27,910.63 and 4,567.56 is: 6,851.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,607.49 : 27,910.63 = 4,567.56 : x
  2. Step 2: Convert to fraction form
    18,607.49/27,910.63 = 4,567.56/x
  3. Step 3: Cross multiply
    18,607.49x = 27,910.63 × 4,567.56
  4. Step 4: Simplify right side
    18,607.49x = 127,483,477.16
  5. Step 5: Solve for x
    x = 127,483,477.16/18,607.49
  6. Step 6: Final answer
    x = 6,851.19

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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.