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Finding the Fourth Proportional to 9,333.80, 14,003.90 and 4,143.40

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Solution

The fourth proportional to 9,333.80, 14,003.90 and 4,143.40 is: 6,216.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,333.80 : 14,003.90 = 4,143.40 : x
  2. Step 2: Convert to fraction form
    9,333.80/14,003.90 = 4,143.40/x
  3. Step 3: Cross multiply
    9,333.80x = 14,003.90 × 4,143.40
  4. Step 4: Simplify right side
    9,333.80x = 58,023,759.26
  5. Step 5: Solve for x
    x = 58,023,759.26/9,333.80
  6. Step 6: Final answer
    x = 6,216.52

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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.