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Finding the Fourth Proportional to 8,866.16, 13,266.28 and 5,563.79

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Solution

The fourth proportional to 8,866.16, 13,266.28 and 5,563.79 is: 8,325.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,866.16 : 13,266.28 = 5,563.79 : x
  2. Step 2: Convert to fraction form
    8,866.16/13,266.28 = 5,563.79/x
  3. Step 3: Cross multiply
    8,866.16x = 13,266.28 × 5,563.79
  4. Step 4: Simplify right side
    8,866.16x = 73,810,786.37
  5. Step 5: Solve for x
    x = 73,810,786.37/8,866.16
  6. Step 6: Final answer
    x = 8,325.00

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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.