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Finding the Fourth Proportional to 17,307.53, 25,945.93 and 8,417.98

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Solution

The fourth proportional to 17,307.53, 25,945.93 and 8,417.98 is: 12,619.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,307.53 : 25,945.93 = 8,417.98 : x
  2. Step 2: Convert to fraction form
    17,307.53/25,945.93 = 8,417.98/x
  3. Step 3: Cross multiply
    17,307.53x = 25,945.93 × 8,417.98
  4. Step 4: Simplify right side
    17,307.53x = 218,412,148.00
  5. Step 5: Solve for x
    x = 218,412,148.00/17,307.53
  6. Step 6: Final answer
    x = 12,619.49

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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.