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Finding the Fourth Proportional to 2,523.85, 3,484.17 and 1,955.41

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Solution

The fourth proportional to 2,523.85, 3,484.17 and 1,955.41 is: 2,699.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,523.85 : 3,484.17 = 1,955.41 : x
  2. Step 2: Convert to fraction form
    2,523.85/3,484.17 = 1,955.41/x
  3. Step 3: Cross multiply
    2,523.85x = 3,484.17 × 1,955.41
  4. Step 4: Simplify right side
    2,523.85x = 6,812,980.86
  5. Step 5: Solve for x
    x = 6,812,980.86/2,523.85
  6. Step 6: Final answer
    x = 2,699.44

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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.