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Finding the Fourth Proportional to 16,893.25, 23,315 and 9,723.02

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Solution

The fourth proportional to 16,893.25, 23,315 and 9,723.02 is: 13,419.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,893.25 : 23,315 = 9,723.02 : x
  2. Step 2: Convert to fraction form
    16,893.25/23,315 = 9,723.02/x
  3. Step 3: Cross multiply
    16,893.25x = 23,315 × 9,723.02
  4. Step 4: Simplify right side
    16,893.25x = 226,692,094.73
  5. Step 5: Solve for x
    x = 226,692,094.73/16,893.25
  6. Step 6: Final answer
    x = 13,419.10

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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.