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Finding the Fourth Proportional to 13,995.30, 19,294.16 and 10,009.46

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Solution

The fourth proportional to 13,995.30, 19,294.16 and 10,009.46 is: 13,799.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,995.30 : 19,294.16 = 10,009.46 : x
  2. Step 2: Convert to fraction form
    13,995.30/19,294.16 = 10,009.46/x
  3. Step 3: Cross multiply
    13,995.30x = 19,294.16 × 10,009.46
  4. Step 4: Simplify right side
    13,995.30x = 193,124,122.75
  5. Step 5: Solve for x
    x = 193,124,122.75/13,995.30
  6. Step 6: Final answer
    x = 13,799.21

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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.