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Finding the Fourth Proportional to 4,990.48, 6,886.48 and 2,752.44

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Solution

The fourth proportional to 4,990.48, 6,886.48 and 2,752.44 is: 3,798.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990.48 : 6,886.48 = 2,752.44 : x
  2. Step 2: Convert to fraction form
    4,990.48/6,886.48 = 2,752.44/x
  3. Step 3: Cross multiply
    4,990.48x = 6,886.48 × 2,752.44
  4. Step 4: Simplify right side
    4,990.48x = 18,954,623.01
  5. Step 5: Solve for x
    x = 18,954,623.01/4,990.48
  6. Step 6: Final answer
    x = 3,798.16

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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.