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Finding the Fourth Proportional to 33,304.66, 45,956.16 and 18,966.40

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Solution

The fourth proportional to 33,304.66, 45,956.16 and 18,966.40 is: 26,171.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,304.66 : 45,956.16 = 18,966.40 : x
  2. Step 2: Convert to fraction form
    33,304.66/45,956.16 = 18,966.40/x
  3. Step 3: Cross multiply
    33,304.66x = 45,956.16 × 18,966.40
  4. Step 4: Simplify right side
    33,304.66x = 871,622,913.02
  5. Step 5: Solve for x
    x = 871,622,913.02/33,304.66
  6. Step 6: Final answer
    x = 26,171.20

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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.