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Finding the Fourth Proportional to 2,433.61, 3,649.48 and 1,914.63

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Solution

The fourth proportional to 2,433.61, 3,649.48 and 1,914.63 is: 2,871.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,433.61 : 3,649.48 = 1,914.63 : x
  2. Step 2: Convert to fraction form
    2,433.61/3,649.48 = 1,914.63/x
  3. Step 3: Cross multiply
    2,433.61x = 3,649.48 × 1,914.63
  4. Step 4: Simplify right side
    2,433.61x = 6,987,403.89
  5. Step 5: Solve for x
    x = 6,987,403.89/2,433.61
  6. Step 6: Final answer
    x = 2,871.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.