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Finding the Fourth Proportional to 16,693.12, 23,037.28 and 9,241.28

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Solution

The fourth proportional to 16,693.12, 23,037.28 and 9,241.28 is: 12,753.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,693.12 : 23,037.28 = 9,241.28 : x
  2. Step 2: Convert to fraction form
    16,693.12/23,037.28 = 9,241.28/x
  3. Step 3: Cross multiply
    16,693.12x = 23,037.28 × 9,241.28
  4. Step 4: Simplify right side
    16,693.12x = 212,893,954.92
  5. Step 5: Solve for x
    x = 212,893,954.92/16,693.12
  6. Step 6: Final answer
    x = 12,753.40

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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.