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Finding the Fourth Proportional to 11,875.70, 17,809.08 and 4,851.97

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Solution

The fourth proportional to 11,875.70, 17,809.08 and 4,851.97 is: 7,276.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,875.70 : 17,809.08 = 4,851.97 : x
  2. Step 2: Convert to fraction form
    11,875.70/17,809.08 = 4,851.97/x
  3. Step 3: Cross multiply
    11,875.70x = 17,809.08 × 4,851.97
  4. Step 4: Simplify right side
    11,875.70x = 86,409,086.46
  5. Step 5: Solve for x
    x = 86,409,086.46/11,875.70
  6. Step 6: Final answer
    x = 7,276.13

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.