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Finding the Fourth Proportional to 15,954.04, 22,016.70 and 9,662.04

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Solution

The fourth proportional to 15,954.04, 22,016.70 and 9,662.04 is: 13,333.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,954.04 : 22,016.70 = 9,662.04 : x
  2. Step 2: Convert to fraction form
    15,954.04/22,016.70 = 9,662.04/x
  3. Step 3: Cross multiply
    15,954.04x = 22,016.70 × 9,662.04
  4. Step 4: Simplify right side
    15,954.04x = 212,726,236.07
  5. Step 5: Solve for x
    x = 212,726,236.07/15,954.04
  6. Step 6: Final answer
    x = 13,333.69

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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.