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Finding the Fourth Proportional to 7,035.53, 10,556.03 and 6,929.94

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Solution

The fourth proportional to 7,035.53, 10,556.03 and 6,929.94 is: 10,397.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,035.53 : 10,556.03 = 6,929.94 : x
  2. Step 2: Convert to fraction form
    7,035.53/10,556.03 = 6,929.94/x
  3. Step 3: Cross multiply
    7,035.53x = 10,556.03 × 6,929.94
  4. Step 4: Simplify right side
    7,035.53x = 73,152,619.89
  5. Step 5: Solve for x
    x = 73,152,619.89/7,035.53
  6. Step 6: Final answer
    x = 10,397.61

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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.