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Finding the Fourth Proportional to 6,551.59, 9,827.29 and 1,621.29

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Solution

The fourth proportional to 6,551.59, 9,827.29 and 1,621.29 is: 2,431.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,551.59 : 9,827.29 = 1,621.29 : x
  2. Step 2: Convert to fraction form
    6,551.59/9,827.29 = 1,621.29/x
  3. Step 3: Cross multiply
    6,551.59x = 9,827.29 × 1,621.29
  4. Step 4: Simplify right side
    6,551.59x = 15,932,887.00
  5. Step 5: Solve for x
    x = 15,932,887.00/6,551.59
  6. Step 6: Final answer
    x = 2,431.91

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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.