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Finding the Fourth Proportional to 1,459.92, 2,014.50 and 936

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Solution

The fourth proportional to 1,459.92, 2,014.50 and 936 is: 1,291.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,459.92 : 2,014.50 = 936 : x
  2. Step 2: Convert to fraction form
    1,459.92/2,014.50 = 936/x
  3. Step 3: Cross multiply
    1,459.92x = 2,014.50 × 936
  4. Step 4: Simplify right side
    1,459.92x = 1,885,572
  5. Step 5: Solve for x
    x = 1,885,572/1,459.92
  6. Step 6: Final answer
    x = 1,291.56

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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.