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Finding the Fourth Proportional to 19,039.71, 26,274.86 and 10,656.21

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Solution

The fourth proportional to 19,039.71, 26,274.86 and 10,656.21 is: 14,705.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,039.71 : 26,274.86 = 10,656.21 : x
  2. Step 2: Convert to fraction form
    19,039.71/26,274.86 = 10,656.21/x
  3. Step 3: Cross multiply
    19,039.71x = 26,274.86 × 10,656.21
  4. Step 4: Simplify right side
    19,039.71x = 279,990,372.60
  5. Step 5: Solve for x
    x = 279,990,372.60/19,039.71
  6. Step 6: Final answer
    x = 14,705.60

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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.