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Finding the Fourth Proportional to 8,866.56, 12,239.28 and 6,032.64

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Solution

The fourth proportional to 8,866.56, 12,239.28 and 6,032.64 is: 8,327.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,866.56 : 12,239.28 = 6,032.64 : x
  2. Step 2: Convert to fraction form
    8,866.56/12,239.28 = 6,032.64/x
  3. Step 3: Cross multiply
    8,866.56x = 12,239.28 × 6,032.64
  4. Step 4: Simplify right side
    8,866.56x = 73,835,170.10
  5. Step 5: Solve for x
    x = 73,835,170.10/8,866.56
  6. Step 6: Final answer
    x = 8,327.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.