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Finding the Fourth Proportional to 19,304.71, 26,642.85 and 11,347.67

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Solution

The fourth proportional to 19,304.71, 26,642.85 and 11,347.67 is: 15,661.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,304.71 : 26,642.85 = 11,347.67 : x
  2. Step 2: Convert to fraction form
    19,304.71/26,642.85 = 11,347.67/x
  3. Step 3: Cross multiply
    19,304.71x = 26,642.85 × 11,347.67
  4. Step 4: Simplify right side
    19,304.71x = 302,334,269.66
  5. Step 5: Solve for x
    x = 302,334,269.66/19,304.71
  6. Step 6: Final answer
    x = 15,661.17

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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.