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Finding the Fourth Proportional to 5,837.22, 8,718.61 and 5,281.08

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Solution

The fourth proportional to 5,837.22, 8,718.61 and 5,281.08 is: 7,887.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,837.22 : 8,718.61 = 5,281.08 : x
  2. Step 2: Convert to fraction form
    5,837.22/8,718.61 = 5,281.08/x
  3. Step 3: Cross multiply
    5,837.22x = 8,718.61 × 5,281.08
  4. Step 4: Simplify right side
    5,837.22x = 46,043,676.90
  5. Step 5: Solve for x
    x = 46,043,676.90/5,837.22
  6. Step 6: Final answer
    x = 7,887.95

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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.