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Finding the Fourth Proportional to 8,866.72, 13,308.24 and 4,487.26

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Solution

The fourth proportional to 8,866.72, 13,308.24 and 4,487.26 is: 6,735.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,866.72 : 13,308.24 = 4,487.26 : x
  2. Step 2: Convert to fraction form
    8,866.72/13,308.24 = 4,487.26/x
  3. Step 3: Cross multiply
    8,866.72x = 13,308.24 × 4,487.26
  4. Step 4: Simplify right side
    8,866.72x = 59,717,533.02
  5. Step 5: Solve for x
    x = 59,717,533.02/8,866.72
  6. Step 6: Final answer
    x = 6,735.02

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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.