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Finding the Fourth Proportional to 4,842.76, 6,682.88 and 2,746.88

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Solution

The fourth proportional to 4,842.76, 6,682.88 and 2,746.88 is: 3,790.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,842.76 : 6,682.88 = 2,746.88 : x
  2. Step 2: Convert to fraction form
    4,842.76/6,682.88 = 2,746.88/x
  3. Step 3: Cross multiply
    4,842.76x = 6,682.88 × 2,746.88
  4. Step 4: Simplify right side
    4,842.76x = 18,357,069.41
  5. Step 5: Solve for x
    x = 18,357,069.41/4,842.76
  6. Step 6: Final answer
    x = 3,790.62

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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.