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Finding the Fourth Proportional to 2,636.53, 3,641.28 and 1,756.06

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Solution

The fourth proportional to 2,636.53, 3,641.28 and 1,756.06 is: 2,425.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,636.53 : 3,641.28 = 1,756.06 : x
  2. Step 2: Convert to fraction form
    2,636.53/3,641.28 = 1,756.06/x
  3. Step 3: Cross multiply
    2,636.53x = 3,641.28 × 1,756.06
  4. Step 4: Simplify right side
    2,636.53x = 6,394,306.16
  5. Step 5: Solve for x
    x = 6,394,306.16/2,636.53
  6. Step 6: Final answer
    x = 2,425.27

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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.