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Finding the Fourth Proportional to 8,804.70, 13,209.03 and 3,258.05

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Solution

The fourth proportional to 8,804.70, 13,209.03 and 3,258.05 is: 4,887.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,804.70 : 13,209.03 = 3,258.05 : x
  2. Step 2: Convert to fraction form
    8,804.70/13,209.03 = 3,258.05/x
  3. Step 3: Cross multiply
    8,804.70x = 13,209.03 × 3,258.05
  4. Step 4: Simplify right side
    8,804.70x = 43,035,680.19
  5. Step 5: Solve for x
    x = 43,035,680.19/8,804.70
  6. Step 6: Final answer
    x = 4,887.81

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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.