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Finding the Fourth Proportional to 5,656.48, 8,481.92 and 1,957.76

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Solution

The fourth proportional to 5,656.48, 8,481.92 and 1,957.76 is: 2,935.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,656.48 : 8,481.92 = 1,957.76 : x
  2. Step 2: Convert to fraction form
    5,656.48/8,481.92 = 1,957.76/x
  3. Step 3: Cross multiply
    5,656.48x = 8,481.92 × 1,957.76
  4. Step 4: Simplify right side
    5,656.48x = 16,605,563.70
  5. Step 5: Solve for x
    x = 16,605,563.70/5,656.48
  6. Step 6: Final answer
    x = 2,935.67

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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.