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Finding the Fourth Proportional to 14,408.57, 21,607.99 and 7,008.32

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Solution

The fourth proportional to 14,408.57, 21,607.99 and 7,008.32 is: 10,510.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,408.57 : 21,607.99 = 7,008.32 : x
  2. Step 2: Convert to fraction form
    14,408.57/21,607.99 = 7,008.32/x
  3. Step 3: Cross multiply
    14,408.57x = 21,607.99 × 7,008.32
  4. Step 4: Simplify right side
    14,408.57x = 151,435,744.98
  5. Step 5: Solve for x
    x = 151,435,744.98/14,408.57
  6. Step 6: Final answer
    x = 10,510.11

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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.