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Finding the Fourth Proportional to 2,182.80, 2,956.50 and 2,182.80

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Solution

The fourth proportional to 2,182.80, 2,956.50 and 2,182.80 is: 2,956.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,182.80 : 2,956.50 = 2,182.80 : x
  2. Step 2: Convert to fraction form
    2,182.80/2,956.50 = 2,182.80/x
  3. Step 3: Cross multiply
    2,182.80x = 2,956.50 × 2,182.80
  4. Step 4: Simplify right side
    2,182.80x = 6,453,448.20
  5. Step 5: Solve for x
    x = 6,453,448.20/2,182.80
  6. Step 6: Final answer
    x = 2,956.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.