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Finding the Fourth Proportional to 16,644.09, 22,968.90 and 9,090.51

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Solution

The fourth proportional to 16,644.09, 22,968.90 and 9,090.51 is: 12,544.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,644.09 : 22,968.90 = 9,090.51 : x
  2. Step 2: Convert to fraction form
    16,644.09/22,968.90 = 9,090.51/x
  3. Step 3: Cross multiply
    16,644.09x = 22,968.90 × 9,090.51
  4. Step 4: Simplify right side
    16,644.09x = 208,799,015.14
  5. Step 5: Solve for x
    x = 208,799,015.14/16,644.09
  6. Step 6: Final answer
    x = 12,544.93

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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.