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Finding the Fourth Proportional to 8,968.56, 13,435.56 and 4,354.80

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Solution

The fourth proportional to 8,968.56, 13,435.56 and 4,354.80 is: 6,523.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,968.56 : 13,435.56 = 4,354.80 : x
  2. Step 2: Convert to fraction form
    8,968.56/13,435.56 = 4,354.80/x
  3. Step 3: Cross multiply
    8,968.56x = 13,435.56 × 4,354.80
  4. Step 4: Simplify right side
    8,968.56x = 58,509,176.69
  5. Step 5: Solve for x
    x = 58,509,176.69/8,968.56
  6. Step 6: Final answer
    x = 6,523.81

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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.