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Finding the Fourth Proportional to 9,216.40, 13,800.04 and 6,300.40

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Solution

The fourth proportional to 9,216.40, 13,800.04 and 6,300.40 is: 9,433.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,216.40 : 13,800.04 = 6,300.40 : x
  2. Step 2: Convert to fraction form
    9,216.40/13,800.04 = 6,300.40/x
  3. Step 3: Cross multiply
    9,216.40x = 13,800.04 × 6,300.40
  4. Step 4: Simplify right side
    9,216.40x = 86,945,772.02
  5. Step 5: Solve for x
    x = 86,945,772.02/9,216.40
  6. Step 6: Final answer
    x = 9,433.81

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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.