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Finding the Fourth Proportional to 5,659.61, 8,482.73 and 3,320.73

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Solution

The fourth proportional to 5,659.61, 8,482.73 and 3,320.73 is: 4,977.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,659.61 : 8,482.73 = 3,320.73 : x
  2. Step 2: Convert to fraction form
    5,659.61/8,482.73 = 3,320.73/x
  3. Step 3: Cross multiply
    5,659.61x = 8,482.73 × 3,320.73
  4. Step 4: Simplify right side
    5,659.61x = 28,168,839.39
  5. Step 5: Solve for x
    x = 28,168,839.39/5,659.61
  6. Step 6: Final answer
    x = 4,977.17

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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.