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Finding the Fourth Proportional to 4,956.01, 6,840 and 3,068.20

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Solution

The fourth proportional to 4,956.01, 6,840 and 3,068.20 is: 4,234.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,956.01 : 6,840 = 3,068.20 : x
  2. Step 2: Convert to fraction form
    4,956.01/6,840 = 3,068.20/x
  3. Step 3: Cross multiply
    4,956.01x = 6,840 × 3,068.20
  4. Step 4: Simplify right side
    4,956.01x = 20,986,488
  5. Step 5: Solve for x
    x = 20,986,488/4,956.01
  6. Step 6: Final answer
    x = 4,234.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.