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Finding the Fourth Proportional to 33,258.88, 45,792.48 and 28,212.64

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Solution

The fourth proportional to 33,258.88, 45,792.48 and 28,212.64 is: 38,844.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,258.88 : 45,792.48 = 28,212.64 : x
  2. Step 2: Convert to fraction form
    33,258.88/45,792.48 = 28,212.64/x
  3. Step 3: Cross multiply
    33,258.88x = 45,792.48 × 28,212.64
  4. Step 4: Simplify right side
    33,258.88x = 1,291,926,752.95
  5. Step 5: Solve for x
    x = 1,291,926,752.95/33,258.88
  6. Step 6: Final answer
    x = 38,844.57

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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.