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Finding the Fourth Proportional to 10,773.92, 14,865.36 and 6,580.64

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Solution

The fourth proportional to 10,773.92, 14,865.36 and 6,580.64 is: 9,079.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,773.92 : 14,865.36 = 6,580.64 : x
  2. Step 2: Convert to fraction form
    10,773.92/14,865.36 = 6,580.64/x
  3. Step 3: Cross multiply
    10,773.92x = 14,865.36 × 6,580.64
  4. Step 4: Simplify right side
    10,773.92x = 97,823,582.63
  5. Step 5: Solve for x
    x = 97,823,582.63/10,773.92
  6. Step 6: Final answer
    x = 9,079.66

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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.