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Finding the Fourth Proportional to 25,789.76, 35,569.76 and 17,289.08

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Solution

The fourth proportional to 25,789.76, 35,569.76 and 17,289.08 is: 23,845.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,789.76 : 35,569.76 = 17,289.08 : x
  2. Step 2: Convert to fraction form
    25,789.76/35,569.76 = 17,289.08/x
  3. Step 3: Cross multiply
    25,789.76x = 35,569.76 × 17,289.08
  4. Step 4: Simplify right side
    25,789.76x = 614,968,426.22
  5. Step 5: Solve for x
    x = 614,968,426.22/25,789.76
  6. Step 6: Final answer
    x = 23,845.45

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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.