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Finding the Fourth Proportional to 19,430.58, 26,813.62 and 10,933.17

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Solution

The fourth proportional to 19,430.58, 26,813.62 and 10,933.17 is: 15,087.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,430.58 : 26,813.62 = 10,933.17 : x
  2. Step 2: Convert to fraction form
    19,430.58/26,813.62 = 10,933.17/x
  3. Step 3: Cross multiply
    19,430.58x = 26,813.62 × 10,933.17
  4. Step 4: Simplify right side
    19,430.58x = 293,157,811.11
  5. Step 5: Solve for x
    x = 293,157,811.11/19,430.58
  6. Step 6: Final answer
    x = 15,087.45

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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.