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Finding the Fourth Proportional to 16,643.73, 22,968.21 and 9,090.03

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Solution

The fourth proportional to 16,643.73, 22,968.21 and 9,090.03 is: 12,544.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,643.73 : 22,968.21 = 9,090.03 : x
  2. Step 2: Convert to fraction form
    16,643.73/22,968.21 = 9,090.03/x
  3. Step 3: Cross multiply
    16,643.73x = 22,968.21 × 9,090.03
  4. Step 4: Simplify right side
    16,643.73x = 208,781,717.95
  5. Step 5: Solve for x
    x = 208,781,717.95/16,643.73
  6. Step 6: Final answer
    x = 12,544.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.