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Finding the Fourth Proportional to 26,633.94, 39,940.53 and 9,984.90

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Solution

The fourth proportional to 26,633.94, 39,940.53 and 9,984.90 is: 14,973.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,633.94 : 39,940.53 = 9,984.90 : x
  2. Step 2: Convert to fraction form
    26,633.94/39,940.53 = 9,984.90/x
  3. Step 3: Cross multiply
    26,633.94x = 39,940.53 × 9,984.90
  4. Step 4: Simplify right side
    26,633.94x = 398,802,048.22
  5. Step 5: Solve for x
    x = 398,802,048.22/26,633.94
  6. Step 6: Final answer
    x = 14,973.45

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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.