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Finding the Fourth Proportional to 1,024.93, 1,536.08 and 892.61

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Solution

The fourth proportional to 1,024.93, 1,536.08 and 892.61 is: 1,337.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,024.93 : 1,536.08 = 892.61 : x
  2. Step 2: Convert to fraction form
    1,024.93/1,536.08 = 892.61/x
  3. Step 3: Cross multiply
    1,024.93x = 1,536.08 × 892.61
  4. Step 4: Simplify right side
    1,024.93x = 1,371,119.75
  5. Step 5: Solve for x
    x = 1,371,119.75/1,024.93
  6. Step 6: Final answer
    x = 1,337.77

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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.