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Finding the Fourth Proportional to 3,483.68, 4,809.15 and 2,349.63

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Solution

The fourth proportional to 3,483.68, 4,809.15 and 2,349.63 is: 3,243.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,483.68 : 4,809.15 = 2,349.63 : x
  2. Step 2: Convert to fraction form
    3,483.68/4,809.15 = 2,349.63/x
  3. Step 3: Cross multiply
    3,483.68x = 4,809.15 × 2,349.63
  4. Step 4: Simplify right side
    3,483.68x = 11,299,723.11
  5. Step 5: Solve for x
    x = 11,299,723.11/3,483.68
  6. Step 6: Final answer
    x = 3,243.62

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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.