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Finding the Fourth Proportional to 10,662.12, 16,073.08 and 9,948.52

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Solution

The fourth proportional to 10,662.12, 16,073.08 and 9,948.52 is: 14,997.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,662.12 : 16,073.08 = 9,948.52 : x
  2. Step 2: Convert to fraction form
    10,662.12/16,073.08 = 9,948.52/x
  3. Step 3: Cross multiply
    10,662.12x = 16,073.08 × 9,948.52
  4. Step 4: Simplify right side
    10,662.12x = 159,903,357.84
  5. Step 5: Solve for x
    x = 159,903,357.84/10,662.12
  6. Step 6: Final answer
    x = 14,997.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.