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Finding the Fourth Proportional to 3,258.54, 4,887.65 and 1,066.98

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Solution

The fourth proportional to 3,258.54, 4,887.65 and 1,066.98 is: 1,600.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258.54 : 4,887.65 = 1,066.98 : x
  2. Step 2: Convert to fraction form
    3,258.54/4,887.65 = 1,066.98/x
  3. Step 3: Cross multiply
    3,258.54x = 4,887.65 × 1,066.98
  4. Step 4: Simplify right side
    3,258.54x = 5,215,024.80
  5. Step 5: Solve for x
    x = 5,215,024.80/3,258.54
  6. Step 6: Final answer
    x = 1,600.42

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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.