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Finding the Fourth Proportional to 10,509.62, 14,503.05 and 5,793.91

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Solution

The fourth proportional to 10,509.62, 14,503.05 and 5,793.91 is: 7,995.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,509.62 : 14,503.05 = 5,793.91 : x
  2. Step 2: Convert to fraction form
    10,509.62/14,503.05 = 5,793.91/x
  3. Step 3: Cross multiply
    10,509.62x = 14,503.05 × 5,793.91
  4. Step 4: Simplify right side
    10,509.62x = 84,029,330.17
  5. Step 5: Solve for x
    x = 84,029,330.17/10,509.62
  6. Step 6: Final answer
    x = 7,995.47

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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.