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Finding the Fourth Proportional to 8,508.50, 11,740.01 and 4,971.03

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Solution

The fourth proportional to 8,508.50, 11,740.01 and 4,971.03 is: 6,859.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,508.50 : 11,740.01 = 4,971.03 : x
  2. Step 2: Convert to fraction form
    8,508.50/11,740.01 = 4,971.03/x
  3. Step 3: Cross multiply
    8,508.50x = 11,740.01 × 4,971.03
  4. Step 4: Simplify right side
    8,508.50x = 58,359,882.35
  5. Step 5: Solve for x
    x = 58,359,882.35/8,508.50
  6. Step 6: Final answer
    x = 6,859.01

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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.