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Finding the Fourth Proportional to 3,499.54, 4,829.35 and 1,927.63

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Solution

The fourth proportional to 3,499.54, 4,829.35 and 1,927.63 is: 2,660.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,499.54 : 4,829.35 = 1,927.63 : x
  2. Step 2: Convert to fraction form
    3,499.54/4,829.35 = 1,927.63/x
  3. Step 3: Cross multiply
    3,499.54x = 4,829.35 × 1,927.63
  4. Step 4: Simplify right side
    3,499.54x = 9,309,199.94
  5. Step 5: Solve for x
    x = 9,309,199.94/3,499.54
  6. Step 6: Final answer
    x = 2,660.12

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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.