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Finding the Fourth Proportional to 25,906.68, 35,766.09 and 17,421.12

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Solution

The fourth proportional to 25,906.68, 35,766.09 and 17,421.12 is: 24,051.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,906.68 : 35,766.09 = 17,421.12 : x
  2. Step 2: Convert to fraction form
    25,906.68/35,766.09 = 17,421.12/x
  3. Step 3: Cross multiply
    25,906.68x = 35,766.09 × 17,421.12
  4. Step 4: Simplify right side
    25,906.68x = 623,085,345.82
  5. Step 5: Solve for x
    x = 623,085,345.82/25,906.68
  6. Step 6: Final answer
    x = 24,051.15

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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.