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Finding the Fourth Proportional to 9,334.80, 14,005.40 and 4,144.40

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Solution

The fourth proportional to 9,334.80, 14,005.40 and 4,144.40 is: 6,218.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,334.80 : 14,005.40 = 4,144.40 : x
  2. Step 2: Convert to fraction form
    9,334.80/14,005.40 = 4,144.40/x
  3. Step 3: Cross multiply
    9,334.80x = 14,005.40 × 4,144.40
  4. Step 4: Simplify right side
    9,334.80x = 58,043,979.76
  5. Step 5: Solve for x
    x = 58,043,979.76/9,334.80
  6. Step 6: Final answer
    x = 6,218.02

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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.