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Finding the Fourth Proportional to 1,057.84, 1,459.81 and 592.09

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Solution

The fourth proportional to 1,057.84, 1,459.81 and 592.09 is: 817.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057.84 : 1,459.81 = 592.09 : x
  2. Step 2: Convert to fraction form
    1,057.84/1,459.81 = 592.09/x
  3. Step 3: Cross multiply
    1,057.84x = 1,459.81 × 592.09
  4. Step 4: Simplify right side
    1,057.84x = 864,335.99
  5. Step 5: Solve for x
    x = 864,335.99/1,057.84
  6. Step 6: Final answer
    x = 817.08

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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.