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Finding the Fourth Proportional to 5,655.75, 8,483.64 and 1,760.16

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Solution

The fourth proportional to 5,655.75, 8,483.64 and 1,760.16 is: 2,640.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,655.75 : 8,483.64 = 1,760.16 : x
  2. Step 2: Convert to fraction form
    5,655.75/8,483.64 = 1,760.16/x
  3. Step 3: Cross multiply
    5,655.75x = 8,483.64 × 1,760.16
  4. Step 4: Simplify right side
    5,655.75x = 14,932,563.78
  5. Step 5: Solve for x
    x = 14,932,563.78/5,655.75
  6. Step 6: Final answer
    x = 2,640.24

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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.