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Finding the Fourth Proportional to 8,840.55, 13,259.21 and 3,575.28

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Solution

The fourth proportional to 8,840.55, 13,259.21 and 3,575.28 is: 5,362.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,840.55 : 13,259.21 = 3,575.28 : x
  2. Step 2: Convert to fraction form
    8,840.55/13,259.21 = 3,575.28/x
  3. Step 3: Cross multiply
    8,840.55x = 13,259.21 × 3,575.28
  4. Step 4: Simplify right side
    8,840.55x = 47,405,370.45
  5. Step 5: Solve for x
    x = 47,405,370.45/8,840.55
  6. Step 6: Final answer
    x = 5,362.26

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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.