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Finding the Fourth Proportional to 8,887.84, 13,324.56 and 3,697.60

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Solution

The fourth proportional to 8,887.84, 13,324.56 and 3,697.60 is: 5,543.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,887.84 : 13,324.56 = 3,697.60 : x
  2. Step 2: Convert to fraction form
    8,887.84/13,324.56 = 3,697.60/x
  3. Step 3: Cross multiply
    8,887.84x = 13,324.56 × 3,697.60
  4. Step 4: Simplify right side
    8,887.84x = 49,268,893.06
  5. Step 5: Solve for x
    x = 49,268,893.06/8,887.84
  6. Step 6: Final answer
    x = 5,543.40

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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.