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Finding the Fourth Proportional to 9,327.80, 14,007.90 and 4,953.80

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Solution

The fourth proportional to 9,327.80, 14,007.90 and 4,953.80 is: 7,439.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,327.80 : 14,007.90 = 4,953.80 : x
  2. Step 2: Convert to fraction form
    9,327.80/14,007.90 = 4,953.80/x
  3. Step 3: Cross multiply
    9,327.80x = 14,007.90 × 4,953.80
  4. Step 4: Simplify right side
    9,327.80x = 69,392,335.02
  5. Step 5: Solve for x
    x = 69,392,335.02/9,327.80
  6. Step 6: Final answer
    x = 7,439.30

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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.