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Finding the Fourth Proportional to 26,602.61, 39,905.13 and 9,958.33

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Solution

The fourth proportional to 26,602.61, 39,905.13 and 9,958.33 is: 14,937.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,602.61 : 39,905.13 = 9,958.33 : x
  2. Step 2: Convert to fraction form
    26,602.61/39,905.13 = 9,958.33/x
  3. Step 3: Cross multiply
    26,602.61x = 39,905.13 × 9,958.33
  4. Step 4: Simplify right side
    26,602.61x = 397,388,453.23
  5. Step 5: Solve for x
    x = 397,388,453.23/26,602.61
  6. Step 6: Final answer
    x = 14,937.95

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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.