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Finding the Fourth Proportional to 5,685.76, 7,846.50 and 3,327.94

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Solution

The fourth proportional to 5,685.76, 7,846.50 and 3,327.94 is: 4,592.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,685.76 : 7,846.50 = 3,327.94 : x
  2. Step 2: Convert to fraction form
    5,685.76/7,846.50 = 3,327.94/x
  3. Step 3: Cross multiply
    5,685.76x = 7,846.50 × 3,327.94
  4. Step 4: Simplify right side
    5,685.76x = 26,112,681.21
  5. Step 5: Solve for x
    x = 26,112,681.21/5,685.76
  6. Step 6: Final answer
    x = 4,592.65

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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.