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Finding the Fourth Proportional to 8,541.70, 11,770.05 and 6,300.03

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Solution

The fourth proportional to 8,541.70, 11,770.05 and 6,300.03 is: 8,681.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,541.70 : 11,770.05 = 6,300.03 : x
  2. Step 2: Convert to fraction form
    8,541.70/11,770.05 = 6,300.03/x
  3. Step 3: Cross multiply
    8,541.70x = 11,770.05 × 6,300.03
  4. Step 4: Simplify right side
    8,541.70x = 74,151,609.25
  5. Step 5: Solve for x
    x = 74,151,609.25/8,541.70
  6. Step 6: Final answer
    x = 8,681.13

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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.