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Finding the Fourth Proportional to 4,886.92, 6,742.45 and 2,995.51

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Solution

The fourth proportional to 4,886.92, 6,742.45 and 2,995.51 is: 4,132.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,886.92 : 6,742.45 = 2,995.51 : x
  2. Step 2: Convert to fraction form
    4,886.92/6,742.45 = 2,995.51/x
  3. Step 3: Cross multiply
    4,886.92x = 6,742.45 × 2,995.51
  4. Step 4: Simplify right side
    4,886.92x = 20,197,061.18
  5. Step 5: Solve for x
    x = 20,197,061.18/4,886.92
  6. Step 6: Final answer
    x = 4,132.88

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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.