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Finding the Fourth Proportional to 19,206, 26,505.80 and 10,710.88

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Solution

The fourth proportional to 19,206, 26,505.80 and 10,710.88 is: 14,781.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,206 : 26,505.80 = 10,710.88 : x
  2. Step 2: Convert to fraction form
    19,206/26,505.80 = 10,710.88/x
  3. Step 3: Cross multiply
    19,206x = 26,505.80 × 10,710.88
  4. Step 4: Simplify right side
    19,206x = 283,900,443.10
  5. Step 5: Solve for x
    x = 283,900,443.10/19,206
  6. Step 6: Final answer
    x = 14,781.86

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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.