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Finding the Fourth Proportional to 6,510.70, 8,984.78 and 3,526.53

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Solution

The fourth proportional to 6,510.70, 8,984.78 and 3,526.53 is: 4,866.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,510.70 : 8,984.78 = 3,526.53 : x
  2. Step 2: Convert to fraction form
    6,510.70/8,984.78 = 3,526.53/x
  3. Step 3: Cross multiply
    6,510.70x = 8,984.78 × 3,526.53
  4. Step 4: Simplify right side
    6,510.70x = 31,685,093.30
  5. Step 5: Solve for x
    x = 31,685,093.30/6,510.70
  6. Step 6: Final answer
    x = 4,866.62

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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.