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Finding the Fourth Proportional to 19,608.88, 27,060.49 and 10,656.53

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Solution

The fourth proportional to 19,608.88, 27,060.49 and 10,656.53 is: 14,706.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,608.88 : 27,060.49 = 10,656.53 : x
  2. Step 2: Convert to fraction form
    19,608.88/27,060.49 = 10,656.53/x
  3. Step 3: Cross multiply
    19,608.88x = 27,060.49 × 10,656.53
  4. Step 4: Simplify right side
    19,608.88x = 288,370,923.50
  5. Step 5: Solve for x
    x = 288,370,923.50/19,608.88
  6. Step 6: Final answer
    x = 14,706.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.