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Finding the Fourth Proportional to 8,893.28, 13,341.60 and 3,699.60

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Solution

The fourth proportional to 8,893.28, 13,341.60 and 3,699.60 is: 5,550.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,893.28 : 13,341.60 = 3,699.60 : x
  2. Step 2: Convert to fraction form
    8,893.28/13,341.60 = 3,699.60/x
  3. Step 3: Cross multiply
    8,893.28x = 13,341.60 × 3,699.60
  4. Step 4: Simplify right side
    8,893.28x = 49,358,583.36
  5. Step 5: Solve for x
    x = 49,358,583.36/8,893.28
  6. Step 6: Final answer
    x = 5,550.10

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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.