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Finding the Fourth Proportional to 17,273, 25,925.70 and 7,918.04

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Solution

The fourth proportional to 17,273, 25,925.70 and 7,918.04 is: 11,884.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,273 : 25,925.70 = 7,918.04 : x
  2. Step 2: Convert to fraction form
    17,273/25,925.70 = 7,918.04/x
  3. Step 3: Cross multiply
    17,273x = 25,925.70 × 7,918.04
  4. Step 4: Simplify right side
    17,273x = 205,280,729.63
  5. Step 5: Solve for x
    x = 205,280,729.63/17,273
  6. Step 6: Final answer
    x = 11,884.49

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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.