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Finding the Fourth Proportional to 25,799.76, 38,700.51 and 9,161.09

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Solution

The fourth proportional to 25,799.76, 38,700.51 and 9,161.09 is: 13,741.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,799.76 : 38,700.51 = 9,161.09 : x
  2. Step 2: Convert to fraction form
    25,799.76/38,700.51 = 9,161.09/x
  3. Step 3: Cross multiply
    25,799.76x = 38,700.51 × 9,161.09
  4. Step 4: Simplify right side
    25,799.76x = 354,538,855.16
  5. Step 5: Solve for x
    x = 354,538,855.16/25,799.76
  6. Step 6: Final answer
    x = 13,741.94

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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.