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Finding the Fourth Proportional to 7,652.70, 11,483.90 and 3,270.18

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Solution

The fourth proportional to 7,652.70, 11,483.90 and 3,270.18 is: 4,907.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,652.70 : 11,483.90 = 3,270.18 : x
  2. Step 2: Convert to fraction form
    7,652.70/11,483.90 = 3,270.18/x
  3. Step 3: Cross multiply
    7,652.70x = 11,483.90 × 3,270.18
  4. Step 4: Simplify right side
    7,652.70x = 37,554,420.10
  5. Step 5: Solve for x
    x = 37,554,420.10/7,652.70
  6. Step 6: Final answer
    x = 4,907.34

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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.