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Finding the Fourth Proportional to 25,969.41, 38,948.52 and 8,201.45

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Solution

The fourth proportional to 25,969.41, 38,948.52 and 8,201.45 is: 12,300.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,969.41 : 38,948.52 = 8,201.45 : x
  2. Step 2: Convert to fraction form
    25,969.41/38,948.52 = 8,201.45/x
  3. Step 3: Cross multiply
    25,969.41x = 38,948.52 × 8,201.45
  4. Step 4: Simplify right side
    25,969.41x = 319,434,444.41
  5. Step 5: Solve for x
    x = 319,434,444.41/25,969.41
  6. Step 6: Final answer
    x = 12,300.41

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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.