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Finding the Fourth Proportional to 7,563.30, 11,344.95 and 3,675.30

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Solution

The fourth proportional to 7,563.30, 11,344.95 and 3,675.30 is: 5,512.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,563.30 : 11,344.95 = 3,675.30 : x
  2. Step 2: Convert to fraction form
    7,563.30/11,344.95 = 3,675.30/x
  3. Step 3: Cross multiply
    7,563.30x = 11,344.95 × 3,675.30
  4. Step 4: Simplify right side
    7,563.30x = 41,696,094.74
  5. Step 5: Solve for x
    x = 41,696,094.74/7,563.30
  6. Step 6: Final answer
    x = 5,512.95

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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.