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Finding the Fourth Proportional to 7,369.56, 10,166.76 and 4,914.54

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Solution

The fourth proportional to 7,369.56, 10,166.76 and 4,914.54 is: 6,779.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,369.56 : 10,166.76 = 4,914.54 : x
  2. Step 2: Convert to fraction form
    7,369.56/10,166.76 = 4,914.54/x
  3. Step 3: Cross multiply
    7,369.56x = 10,166.76 × 4,914.54
  4. Step 4: Simplify right side
    7,369.56x = 49,964,948.69
  5. Step 5: Solve for x
    x = 49,964,948.69/7,369.56
  6. Step 6: Final answer
    x = 6,779.91

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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.