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Finding the Fourth Proportional to 24,390.36, 33,656.85 and 13,780.98

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Solution

The fourth proportional to 24,390.36, 33,656.85 and 13,780.98 is: 19,016.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,390.36 : 33,656.85 = 13,780.98 : x
  2. Step 2: Convert to fraction form
    24,390.36/33,656.85 = 13,780.98/x
  3. Step 3: Cross multiply
    24,390.36x = 33,656.85 × 13,780.98
  4. Step 4: Simplify right side
    24,390.36x = 463,824,376.71
  5. Step 5: Solve for x
    x = 463,824,376.71/24,390.36
  6. Step 6: Final answer
    x = 19,016.71

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