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Finding the Fourth Proportional to 17,983.30, 26,950.54 and 9,547.68

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Solution

The fourth proportional to 17,983.30, 26,950.54 and 9,547.68 is: 14,308.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,983.30 : 26,950.54 = 9,547.68 : x
  2. Step 2: Convert to fraction form
    17,983.30/26,950.54 = 9,547.68/x
  3. Step 3: Cross multiply
    17,983.30x = 26,950.54 × 9,547.68
  4. Step 4: Simplify right side
    17,983.30x = 257,314,996.99
  5. Step 5: Solve for x
    x = 257,314,996.99/17,983.30
  6. Step 6: Final answer
    x = 14,308.55

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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.