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Finding the Fourth Proportional to 14,159.90, 19,541.17 and 7,786.98

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Solution

The fourth proportional to 14,159.90, 19,541.17 and 7,786.98 is: 10,746.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,159.90 : 19,541.17 = 7,786.98 : x
  2. Step 2: Convert to fraction form
    14,159.90/19,541.17 = 7,786.98/x
  3. Step 3: Cross multiply
    14,159.90x = 19,541.17 × 7,786.98
  4. Step 4: Simplify right side
    14,159.90x = 152,166,563.33
  5. Step 5: Solve for x
    x = 152,166,563.33/14,159.90
  6. Step 6: Final answer
    x = 10,746.30

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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.