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Finding the Fourth Proportional to 18,547.31, 27,822.08 and 6,068.66

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Solution

The fourth proportional to 18,547.31, 27,822.08 and 6,068.66 is: 9,103.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,547.31 : 27,822.08 = 6,068.66 : x
  2. Step 2: Convert to fraction form
    18,547.31/27,822.08 = 6,068.66/x
  3. Step 3: Cross multiply
    18,547.31x = 27,822.08 × 6,068.66
  4. Step 4: Simplify right side
    18,547.31x = 168,842,620.07
  5. Step 5: Solve for x
    x = 168,842,620.07/18,547.31
  6. Step 6: Final answer
    x = 9,103.35

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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.