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Finding the Fourth Proportional to 5,808.43, 8,011.48 and 5,331.43

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Solution

The fourth proportional to 5,808.43, 8,011.48 and 5,331.43 is: 7,353.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,808.43 : 8,011.48 = 5,331.43 : x
  2. Step 2: Convert to fraction form
    5,808.43/8,011.48 = 5,331.43/x
  3. Step 3: Cross multiply
    5,808.43x = 8,011.48 × 5,331.43
  4. Step 4: Simplify right side
    5,808.43x = 42,712,677.76
  5. Step 5: Solve for x
    x = 42,712,677.76/5,808.43
  6. Step 6: Final answer
    x = 7,353.56

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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.