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Finding the Fourth Proportional to 8,805.73, 13,209.18 and 3,258.94

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Solution

The fourth proportional to 8,805.73, 13,209.18 and 3,258.94 is: 4,888.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,805.73 : 13,209.18 = 3,258.94 : x
  2. Step 2: Convert to fraction form
    8,805.73/13,209.18 = 3,258.94/x
  3. Step 3: Cross multiply
    8,805.73x = 13,209.18 × 3,258.94
  4. Step 4: Simplify right side
    8,805.73x = 43,047,925.07
  5. Step 5: Solve for x
    x = 43,047,925.07/8,805.73
  6. Step 6: Final answer
    x = 4,888.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.