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Finding the Fourth Proportional to 8,977.59, 13,467.11 and 2,403.72

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Solution

The fourth proportional to 8,977.59, 13,467.11 and 2,403.72 is: 3,605.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,977.59 : 13,467.11 = 2,403.72 : x
  2. Step 2: Convert to fraction form
    8,977.59/13,467.11 = 2,403.72/x
  3. Step 3: Cross multiply
    8,977.59x = 13,467.11 × 2,403.72
  4. Step 4: Simplify right side
    8,977.59x = 32,371,149.63
  5. Step 5: Solve for x
    x = 32,371,149.63/8,977.59
  6. Step 6: Final answer
    x = 3,605.77

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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.