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Finding the Fourth Proportional to 5,607.94, 8,411.91 and 1,712.56

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Solution

The fourth proportional to 5,607.94, 8,411.91 and 1,712.56 is: 2,568.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,607.94 : 8,411.91 = 1,712.56 : x
  2. Step 2: Convert to fraction form
    5,607.94/8,411.91 = 1,712.56/x
  3. Step 3: Cross multiply
    5,607.94x = 8,411.91 × 1,712.56
  4. Step 4: Simplify right side
    5,607.94x = 14,405,900.59
  5. Step 5: Solve for x
    x = 14,405,900.59/5,607.94
  6. Step 6: Final answer
    x = 2,568.84

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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.