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Finding the Fourth Proportional to 2,636.16, 3,931.97 and 2,483.88

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Solution

The fourth proportional to 2,636.16, 3,931.97 and 2,483.88 is: 3,704.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,636.16 : 3,931.97 = 2,483.88 : x
  2. Step 2: Convert to fraction form
    2,636.16/3,931.97 = 2,483.88/x
  3. Step 3: Cross multiply
    2,636.16x = 3,931.97 × 2,483.88
  4. Step 4: Simplify right side
    2,636.16x = 9,766,541.64
  5. Step 5: Solve for x
    x = 9,766,541.64/2,636.16
  6. Step 6: Final answer
    x = 3,704.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.