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Finding the Fourth Proportional to 6,528.48, 9,780.39 and 5,060.45

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Solution

The fourth proportional to 6,528.48, 9,780.39 and 5,060.45 is: 7,581.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,528.48 : 9,780.39 = 5,060.45 : x
  2. Step 2: Convert to fraction form
    6,528.48/9,780.39 = 5,060.45/x
  3. Step 3: Cross multiply
    6,528.48x = 9,780.39 × 5,060.45
  4. Step 4: Simplify right side
    6,528.48x = 49,493,150.12
  5. Step 5: Solve for x
    x = 49,493,150.12/6,528.48
  6. Step 6: Final answer
    x = 7,581.11

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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.