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Finding the Fourth Proportional to 1,892.64, 2,611.66 and 1,753.32

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Solution

The fourth proportional to 1,892.64, 2,611.66 and 1,753.32 is: 2,419.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,892.64 : 2,611.66 = 1,753.32 : x
  2. Step 2: Convert to fraction form
    1,892.64/2,611.66 = 1,753.32/x
  3. Step 3: Cross multiply
    1,892.64x = 2,611.66 × 1,753.32
  4. Step 4: Simplify right side
    1,892.64x = 4,579,075.71
  5. Step 5: Solve for x
    x = 4,579,075.71/1,892.64
  6. Step 6: Final answer
    x = 2,419.41

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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.