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Finding the Fourth Proportional to 8,893.60, 13,329.24 and 4,512.16

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Solution

The fourth proportional to 8,893.60, 13,329.24 and 4,512.16 is: 6,762.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,893.60 : 13,329.24 = 4,512.16 : x
  2. Step 2: Convert to fraction form
    8,893.60/13,329.24 = 4,512.16/x
  3. Step 3: Cross multiply
    8,893.60x = 13,329.24 × 4,512.16
  4. Step 4: Simplify right side
    8,893.60x = 60,143,663.56
  5. Step 5: Solve for x
    x = 60,143,663.56/8,893.60
  6. Step 6: Final answer
    x = 6,762.58

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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.