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Finding the Fourth Proportional to 5,568.30, 8,288.82 and 5,485.23

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Solution

The fourth proportional to 5,568.30, 8,288.82 and 5,485.23 is: 8,165.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,568.30 : 8,288.82 = 5,485.23 : x
  2. Step 2: Convert to fraction form
    5,568.30/8,288.82 = 5,485.23/x
  3. Step 3: Cross multiply
    5,568.30x = 8,288.82 × 5,485.23
  4. Step 4: Simplify right side
    5,568.30x = 45,466,084.13
  5. Step 5: Solve for x
    x = 45,466,084.13/5,568.30
  6. Step 6: Final answer
    x = 8,165.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.