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Finding the Fourth Proportional to 25,294.09, 37,945.59 and 8,650.21

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Solution

The fourth proportional to 25,294.09, 37,945.59 and 8,650.21 is: 12,976.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,294.09 : 37,945.59 = 8,650.21 : x
  2. Step 2: Convert to fraction form
    25,294.09/37,945.59 = 8,650.21/x
  3. Step 3: Cross multiply
    25,294.09x = 37,945.59 × 8,650.21
  4. Step 4: Simplify right side
    25,294.09x = 328,237,322.07
  5. Step 5: Solve for x
    x = 328,237,322.07/25,294.09
  6. Step 6: Final answer
    x = 12,976.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.