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Finding the Fourth Proportional to 1,655.64, 2,482.11 and 1,473.39

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Solution

The fourth proportional to 1,655.64, 2,482.11 and 1,473.39 is: 2,208.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,655.64 : 2,482.11 = 1,473.39 : x
  2. Step 2: Convert to fraction form
    1,655.64/2,482.11 = 1,473.39/x
  3. Step 3: Cross multiply
    1,655.64x = 2,482.11 × 1,473.39
  4. Step 4: Simplify right side
    1,655.64x = 3,657,116.05
  5. Step 5: Solve for x
    x = 3,657,116.05/1,655.64
  6. Step 6: Final answer
    x = 2,208.88

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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.