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Finding the Fourth Proportional to 9,246.80, 12,759.41 and 5,267.40

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Solution

The fourth proportional to 9,246.80, 12,759.41 and 5,267.40 is: 7,268.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,246.80 : 12,759.41 = 5,267.40 : x
  2. Step 2: Convert to fraction form
    9,246.80/12,759.41 = 5,267.40/x
  3. Step 3: Cross multiply
    9,246.80x = 12,759.41 × 5,267.40
  4. Step 4: Simplify right side
    9,246.80x = 67,208,889.90
  5. Step 5: Solve for x
    x = 67,208,889.90/9,246.80
  6. Step 6: Final answer
    x = 7,268.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.