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Finding the Fourth Proportional to 8,801.96, 13,188.96 and 7,150.46

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Solution

The fourth proportional to 8,801.96, 13,188.96 and 7,150.46 is: 10,714.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,801.96 : 13,188.96 = 7,150.46 : x
  2. Step 2: Convert to fraction form
    8,801.96/13,188.96 = 7,150.46/x
  3. Step 3: Cross multiply
    8,801.96x = 13,188.96 × 7,150.46
  4. Step 4: Simplify right side
    8,801.96x = 94,307,130.92
  5. Step 5: Solve for x
    x = 94,307,130.92/8,801.96
  6. Step 6: Final answer
    x = 10,714.33

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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.