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Finding the Fourth Proportional to 7,353.30, 11,017.80 and 6,259.80

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Solution

The fourth proportional to 7,353.30, 11,017.80 and 6,259.80 is: 9,379.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,353.30 : 11,017.80 = 6,259.80 : x
  2. Step 2: Convert to fraction form
    7,353.30/11,017.80 = 6,259.80/x
  3. Step 3: Cross multiply
    7,353.30x = 11,017.80 × 6,259.80
  4. Step 4: Simplify right side
    7,353.30x = 68,969,224.44
  5. Step 5: Solve for x
    x = 68,969,224.44/7,353.30
  6. Step 6: Final answer
    x = 9,379.36

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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.