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Finding the Fourth Proportional to 19,645.17, 27,111 and 10,693.00

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Solution

The fourth proportional to 19,645.17, 27,111 and 10,693.00 is: 14,756.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,645.17 : 27,111 = 10,693.00 : x
  2. Step 2: Convert to fraction form
    19,645.17/27,111 = 10,693.00/x
  3. Step 3: Cross multiply
    19,645.17x = 27,111 × 10,693.00
  4. Step 4: Simplify right side
    19,645.17x = 289,897,787.45
  5. Step 5: Solve for x
    x = 289,897,787.45/19,645.17
  6. Step 6: Final answer
    x = 14,756.70

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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.