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Finding the Fourth Proportional to 3,100.01, 4,649.49 and 1,250.64

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Solution

The fourth proportional to 3,100.01, 4,649.49 and 1,250.64 is: 1,875.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100.01 : 4,649.49 = 1,250.64 : x
  2. Step 2: Convert to fraction form
    3,100.01/4,649.49 = 1,250.64/x
  3. Step 3: Cross multiply
    3,100.01x = 4,649.49 × 1,250.64
  4. Step 4: Simplify right side
    3,100.01x = 5,814,838.17
  5. Step 5: Solve for x
    x = 5,814,838.17/3,100.01
  6. Step 6: Final answer
    x = 1,875.75

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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.