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Finding the Fourth Proportional to 7,896.49, 10,898.01 and 4,539.89

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Solution

The fourth proportional to 7,896.49, 10,898.01 and 4,539.89 is: 6,265.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,896.49 : 10,898.01 = 4,539.89 : x
  2. Step 2: Convert to fraction form
    7,896.49/10,898.01 = 4,539.89/x
  3. Step 3: Cross multiply
    7,896.49x = 10,898.01 × 4,539.89
  4. Step 4: Simplify right side
    7,896.49x = 49,475,793.86
  5. Step 5: Solve for x
    x = 49,475,793.86/7,896.49
  6. Step 6: Final answer
    x = 6,265.54

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1.5x scale

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.