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Finding the Fourth Proportional to 2,752.72, 3,802.44 and 2,623.12

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Solution

The fourth proportional to 2,752.72, 3,802.44 and 2,623.12 is: 3,623.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,752.72 : 3,802.44 = 2,623.12 : x
  2. Step 2: Convert to fraction form
    2,752.72/3,802.44 = 2,623.12/x
  3. Step 3: Cross multiply
    2,752.72x = 3,802.44 × 2,623.12
  4. Step 4: Simplify right side
    2,752.72x = 9,974,256.41
  5. Step 5: Solve for x
    x = 9,974,256.41/2,752.72
  6. Step 6: Final answer
    x = 3,623.42

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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.