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Finding the Fourth Proportional to 17,397.51, 26,097.20 and 4,918.51

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Solution

The fourth proportional to 17,397.51, 26,097.20 and 4,918.51 is: 7,378.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,397.51 : 26,097.20 = 4,918.51 : x
  2. Step 2: Convert to fraction form
    17,397.51/26,097.20 = 4,918.51/x
  3. Step 3: Cross multiply
    17,397.51x = 26,097.20 × 4,918.51
  4. Step 4: Simplify right side
    17,397.51x = 128,359,339.17
  5. Step 5: Solve for x
    x = 128,359,339.17/17,397.51
  6. Step 6: Final answer
    x = 7,378.03

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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.