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Finding the Fourth Proportional to 5,656.54, 8,485.92 and 1,708.12

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Solution

The fourth proportional to 5,656.54, 8,485.92 and 1,708.12 is: 2,562.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,656.54 : 8,485.92 = 1,708.12 : x
  2. Step 2: Convert to fraction form
    5,656.54/8,485.92 = 1,708.12/x
  3. Step 3: Cross multiply
    5,656.54x = 8,485.92 × 1,708.12
  4. Step 4: Simplify right side
    5,656.54x = 14,494,990.43
  5. Step 5: Solve for x
    x = 14,494,990.43/5,656.54
  6. Step 6: Final answer
    x = 2,562.52

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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.