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Finding the Fourth Proportional to 6,347.26, 9,515.13 and 3,605.50

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Solution

The fourth proportional to 6,347.26, 9,515.13 and 3,605.50 is: 5,404.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,347.26 : 9,515.13 = 3,605.50 : x
  2. Step 2: Convert to fraction form
    6,347.26/9,515.13 = 3,605.50/x
  3. Step 3: Cross multiply
    6,347.26x = 9,515.13 × 3,605.50
  4. Step 4: Simplify right side
    6,347.26x = 34,306,801.22
  5. Step 5: Solve for x
    x = 34,306,801.22/6,347.26
  6. Step 6: Final answer
    x = 5,404.98

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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.