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Finding the Fourth Proportional to 17,368.78, 26,060.46 and 7,502.98

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Solution

The fourth proportional to 17,368.78, 26,060.46 and 7,502.98 is: 11,257.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,368.78 : 26,060.46 = 7,502.98 : x
  2. Step 2: Convert to fraction form
    17,368.78/26,060.46 = 7,502.98/x
  3. Step 3: Cross multiply
    17,368.78x = 26,060.46 × 7,502.98
  4. Step 4: Simplify right side
    17,368.78x = 195,531,110.17
  5. Step 5: Solve for x
    x = 195,531,110.17/17,368.78
  6. Step 6: Final answer
    x = 11,257.62

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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.