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Finding the Fourth Proportional to 5,607.92, 8,412.03 and 1,712.32

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Solution

The fourth proportional to 5,607.92, 8,412.03 and 1,712.32 is: 2,568.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,607.92 : 8,412.03 = 1,712.32 : x
  2. Step 2: Convert to fraction form
    5,607.92/8,412.03 = 1,712.32/x
  3. Step 3: Cross multiply
    5,607.92x = 8,412.03 × 1,712.32
  4. Step 4: Simplify right side
    5,607.92x = 14,404,087.21
  5. Step 5: Solve for x
    x = 14,404,087.21/5,607.92
  6. Step 6: Final answer
    x = 2,568.53

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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.