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Finding the Fourth Proportional to 1,482.40, 2,045.82 and 893.26

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Solution

The fourth proportional to 1,482.40, 2,045.82 and 893.26 is: 1,232.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,482.40 : 2,045.82 = 893.26 : x
  2. Step 2: Convert to fraction form
    1,482.40/2,045.82 = 893.26/x
  3. Step 3: Cross multiply
    1,482.40x = 2,045.82 × 893.26
  4. Step 4: Simplify right side
    1,482.40x = 1,827,449.17
  5. Step 5: Solve for x
    x = 1,827,449.17/1,482.40
  6. Step 6: Final answer
    x = 1,232.76

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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.