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Finding the Fourth Proportional to 3,627.61, 5,008.98 and 2,917.17

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Solution

The fourth proportional to 3,627.61, 5,008.98 and 2,917.17 is: 4,028.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,627.61 : 5,008.98 = 2,917.17 : x
  2. Step 2: Convert to fraction form
    3,627.61/5,008.98 = 2,917.17/x
  3. Step 3: Cross multiply
    3,627.61x = 5,008.98 × 2,917.17
  4. Step 4: Simplify right side
    3,627.61x = 14,612,054.03
  5. Step 5: Solve for x
    x = 14,612,054.03/3,627.61
  6. Step 6: Final answer
    x = 4,028.01

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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.