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Finding the Fourth Proportional to 13,925.32, 19,206.08 and 8,623.08

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Solution

The fourth proportional to 13,925.32, 19,206.08 and 8,623.08 is: 11,893.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,925.32 : 19,206.08 = 8,623.08 : x
  2. Step 2: Convert to fraction form
    13,925.32/19,206.08 = 8,623.08/x
  3. Step 3: Cross multiply
    13,925.32x = 19,206.08 × 8,623.08
  4. Step 4: Simplify right side
    13,925.32x = 165,615,564.33
  5. Step 5: Solve for x
    x = 165,615,564.33/13,925.32
  6. Step 6: Final answer
    x = 11,893.12

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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.