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Finding the Fourth Proportional to 3,369.68, 4,649.25 and 1,877.25

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Solution

The fourth proportional to 3,369.68, 4,649.25 and 1,877.25 is: 2,590.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,369.68 : 4,649.25 = 1,877.25 : x
  2. Step 2: Convert to fraction form
    3,369.68/4,649.25 = 1,877.25/x
  3. Step 3: Cross multiply
    3,369.68x = 4,649.25 × 1,877.25
  4. Step 4: Simplify right side
    3,369.68x = 8,727,804.56
  5. Step 5: Solve for x
    x = 8,727,804.56/3,369.68
  6. Step 6: Final answer
    x = 2,590.10

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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.