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Finding the Fourth Proportional to 33,306.64, 45,963.15 and 18,402.64

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Solution

The fourth proportional to 33,306.64, 45,963.15 and 18,402.64 is: 25,395.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,306.64 : 45,963.15 = 18,402.64 : x
  2. Step 2: Convert to fraction form
    33,306.64/45,963.15 = 18,402.64/x
  3. Step 3: Cross multiply
    33,306.64x = 45,963.15 × 18,402.64
  4. Step 4: Simplify right side
    33,306.64x = 845,843,302.72
  5. Step 5: Solve for x
    x = 845,843,302.72/33,306.64
  6. Step 6: Final answer
    x = 25,395.64

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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.