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Finding the Fourth Proportional to 9,520.94, 14,284.99 and 3,973.79

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Solution

The fourth proportional to 9,520.94, 14,284.99 and 3,973.79 is: 5,962.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,520.94 : 14,284.99 = 3,973.79 : x
  2. Step 2: Convert to fraction form
    9,520.94/14,284.99 = 3,973.79/x
  3. Step 3: Cross multiply
    9,520.94x = 14,284.99 × 3,973.79
  4. Step 4: Simplify right side
    9,520.94x = 56,765,591.09
  5. Step 5: Solve for x
    x = 56,765,591.09/9,520.94
  6. Step 6: Final answer
    x = 5,962.18

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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.