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Finding the Fourth Proportional to 16,654.97, 22,985.16 and 9,485.18

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Solution

The fourth proportional to 16,654.97, 22,985.16 and 9,485.18 is: 13,090.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,654.97 : 22,985.16 = 9,485.18 : x
  2. Step 2: Convert to fraction form
    16,654.97/22,985.16 = 9,485.18/x
  3. Step 3: Cross multiply
    16,654.97x = 22,985.16 × 9,485.18
  4. Step 4: Simplify right side
    16,654.97x = 218,018,511.61
  5. Step 5: Solve for x
    x = 218,018,511.61/16,654.97
  6. Step 6: Final answer
    x = 13,090.30

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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.