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Finding the Fourth Proportional to 9,652.80, 14,468.40 and 4,105.20

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Solution

The fourth proportional to 9,652.80, 14,468.40 and 4,105.20 is: 6,153.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,652.80 : 14,468.40 = 4,105.20 : x
  2. Step 2: Convert to fraction form
    9,652.80/14,468.40 = 4,105.20/x
  3. Step 3: Cross multiply
    9,652.80x = 14,468.40 × 4,105.20
  4. Step 4: Simplify right side
    9,652.80x = 59,395,675.68
  5. Step 5: Solve for x
    x = 59,395,675.68/9,652.80
  6. Step 6: Final answer
    x = 6,153.21

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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.