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Finding the Fourth Proportional to 5,836.22, 8,717.12 and 5,280.08

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Solution

The fourth proportional to 5,836.22, 8,717.12 and 5,280.08 is: 7,886.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,836.22 : 8,717.12 = 5,280.08 : x
  2. Step 2: Convert to fraction form
    5,836.22/8,717.12 = 5,280.08/x
  3. Step 3: Cross multiply
    5,836.22x = 8,717.12 × 5,280.08
  4. Step 4: Simplify right side
    5,836.22x = 46,027,020.98
  5. Step 5: Solve for x
    x = 46,027,020.98/5,836.22
  6. Step 6: Final answer
    x = 7,886.44

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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.