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Finding the Fourth Proportional to 5,461.92, 7,559.11 and 5,330.89

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Solution

The fourth proportional to 5,461.92, 7,559.11 and 5,330.89 is: 7,377.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,461.92 : 7,559.11 = 5,330.89 : x
  2. Step 2: Convert to fraction form
    5,461.92/7,559.11 = 5,330.89/x
  3. Step 3: Cross multiply
    5,461.92x = 7,559.11 × 5,330.89
  4. Step 4: Simplify right side
    5,461.92x = 40,296,783.91
  5. Step 5: Solve for x
    x = 40,296,783.91/5,461.92
  6. Step 6: Final answer
    x = 7,377.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.