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Finding the Fourth Proportional to 8,977.90, 13,465.90 and 2,404.75

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Solution

The fourth proportional to 8,977.90, 13,465.90 and 2,404.75 is: 3,606.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,977.90 : 13,465.90 = 2,404.75 : x
  2. Step 2: Convert to fraction form
    8,977.90/13,465.90 = 2,404.75/x
  3. Step 3: Cross multiply
    8,977.90x = 13,465.90 × 2,404.75
  4. Step 4: Simplify right side
    8,977.90x = 32,382,123.03
  5. Step 5: Solve for x
    x = 32,382,123.03/8,977.90
  6. Step 6: Final answer
    x = 3,606.87

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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.