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Finding the Fourth Proportional to 25,424.96, 35,089.92 and 14,817.92

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Solution

The fourth proportional to 25,424.96, 35,089.92 and 14,817.92 is: 20,450.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,424.96 : 35,089.92 = 14,817.92 : x
  2. Step 2: Convert to fraction form
    25,424.96/35,089.92 = 14,817.92/x
  3. Step 3: Cross multiply
    25,424.96x = 35,089.92 × 14,817.92
  4. Step 4: Simplify right side
    25,424.96x = 519,959,627.37
  5. Step 5: Solve for x
    x = 519,959,627.37/25,424.96
  6. Step 6: Final answer
    x = 20,450.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.