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Finding the Fourth Proportional to 1,346.84, 1,855.99 and 1,032.46

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Solution

The fourth proportional to 1,346.84, 1,855.99 and 1,032.46 is: 1,422.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346.84 : 1,855.99 = 1,032.46 : x
  2. Step 2: Convert to fraction form
    1,346.84/1,855.99 = 1,032.46/x
  3. Step 3: Cross multiply
    1,346.84x = 1,855.99 × 1,032.46
  4. Step 4: Simplify right side
    1,346.84x = 1,916,232.09
  5. Step 5: Solve for x
    x = 1,916,232.09/1,346.84
  6. Step 6: Final answer
    x = 1,422.76

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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.