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Finding the Fourth Proportional to 4,909.14, 7,362.90 and 1,576.94

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Solution

The fourth proportional to 4,909.14, 7,362.90 and 1,576.94 is: 2,365.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,909.14 : 7,362.90 = 1,576.94 : x
  2. Step 2: Convert to fraction form
    4,909.14/7,362.90 = 1,576.94/x
  3. Step 3: Cross multiply
    4,909.14x = 7,362.90 × 1,576.94
  4. Step 4: Simplify right side
    4,909.14x = 11,610,814.71
  5. Step 5: Solve for x
    x = 11,610,814.71/4,909.14
  6. Step 6: Final answer
    x = 2,365.14

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1.5x scale

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.