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Finding the Fourth Proportional to 8,977.71, 13,467.48 and 3,435.71

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Solution

The fourth proportional to 8,977.71, 13,467.48 and 3,435.71 is: 5,153.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,977.71 : 13,467.48 = 3,435.71 : x
  2. Step 2: Convert to fraction form
    8,977.71/13,467.48 = 3,435.71/x
  3. Step 3: Cross multiply
    8,977.71x = 13,467.48 × 3,435.71
  4. Step 4: Simplify right side
    8,977.71x = 46,270,355.71
  5. Step 5: Solve for x
    x = 46,270,355.71/8,977.71
  6. Step 6: Final answer
    x = 5,153.92

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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.