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Finding the Fourth Proportional to 5,654.16, 8,481.96 and 1,955.40

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Solution

The fourth proportional to 5,654.16, 8,481.96 and 1,955.40 is: 2,933.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,654.16 : 8,481.96 = 1,955.40 : x
  2. Step 2: Convert to fraction form
    5,654.16/8,481.96 = 1,955.40/x
  3. Step 3: Cross multiply
    5,654.16x = 8,481.96 × 1,955.40
  4. Step 4: Simplify right side
    5,654.16x = 16,585,624.58
  5. Step 5: Solve for x
    x = 16,585,624.58/5,654.16
  6. Step 6: Final answer
    x = 2,933.35

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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.