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Finding the Fourth Proportional to 12,358.41, 17,056.23 and 7,054.26

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Solution

The fourth proportional to 12,358.41, 17,056.23 and 7,054.26 is: 9,735.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,358.41 : 17,056.23 = 7,054.26 : x
  2. Step 2: Convert to fraction form
    12,358.41/17,056.23 = 7,054.26/x
  3. Step 3: Cross multiply
    12,358.41x = 17,056.23 × 7,054.26
  4. Step 4: Simplify right side
    12,358.41x = 120,319,081.04
  5. Step 5: Solve for x
    x = 120,319,081.04/12,358.41
  6. Step 6: Final answer
    x = 9,735.81

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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.