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Finding the Fourth Proportional to 7,607.95, 11,410.20 and 3,445.21

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Solution

The fourth proportional to 7,607.95, 11,410.20 and 3,445.21 is: 5,167.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,607.95 : 11,410.20 = 3,445.21 : x
  2. Step 2: Convert to fraction form
    7,607.95/11,410.20 = 3,445.21/x
  3. Step 3: Cross multiply
    7,607.95x = 11,410.20 × 3,445.21
  4. Step 4: Simplify right side
    7,607.95x = 39,310,535.14
  5. Step 5: Solve for x
    x = 39,310,535.14/7,607.95
  6. Step 6: Final answer
    x = 5,167.03

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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.