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Finding the Fourth Proportional to 13,056.41, 18,017.84 and 7,088.09

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Solution

The fourth proportional to 13,056.41, 18,017.84 and 7,088.09 is: 9,781.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,056.41 : 18,017.84 = 7,088.09 : x
  2. Step 2: Convert to fraction form
    13,056.41/18,017.84 = 7,088.09/x
  3. Step 3: Cross multiply
    13,056.41x = 18,017.84 × 7,088.09
  4. Step 4: Simplify right side
    13,056.41x = 127,711,999.16
  5. Step 5: Solve for x
    x = 127,711,999.16/13,056.41
  6. Step 6: Final answer
    x = 9,781.55

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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.