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Finding the Fourth Proportional to 5,938.54, 8,910.90 and 4,308.54

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Solution

The fourth proportional to 5,938.54, 8,910.90 and 4,308.54 is: 6,465.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,938.54 : 8,910.90 = 4,308.54 : x
  2. Step 2: Convert to fraction form
    5,938.54/8,910.90 = 4,308.54/x
  3. Step 3: Cross multiply
    5,938.54x = 8,910.90 × 4,308.54
  4. Step 4: Simplify right side
    5,938.54x = 38,392,969.09
  5. Step 5: Solve for x
    x = 38,392,969.09/5,938.54
  6. Step 6: Final answer
    x = 6,465.05

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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.