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Finding the Fourth Proportional to 14,348.80, 21,525.41 and 7,325.01

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Solution

The fourth proportional to 14,348.80, 21,525.41 and 7,325.01 is: 10,988.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,348.80 : 21,525.41 = 7,325.01 : x
  2. Step 2: Convert to fraction form
    14,348.80/21,525.41 = 7,325.01/x
  3. Step 3: Cross multiply
    14,348.80x = 21,525.41 × 7,325.01
  4. Step 4: Simplify right side
    14,348.80x = 157,673,861.82
  5. Step 5: Solve for x
    x = 157,673,861.82/14,348.80
  6. Step 6: Final answer
    x = 10,988.65

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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.