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Finding the Fourth Proportional to 26,287.84, 39,425.82 and 7,567.84

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Solution

The fourth proportional to 26,287.84, 39,425.82 and 7,567.84 is: 11,350.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,287.84 : 39,425.82 = 7,567.84 : x
  2. Step 2: Convert to fraction form
    26,287.84/39,425.82 = 7,567.84/x
  3. Step 3: Cross multiply
    26,287.84x = 39,425.82 × 7,567.84
  4. Step 4: Simplify right side
    26,287.84x = 298,368,297.63
  5. Step 5: Solve for x
    x = 298,368,297.63/26,287.84
  6. Step 6: Final answer
    x = 11,350.05

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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.