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Finding the Fourth Proportional to 19,995.03, 29,949.41 and 9,449.13

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Solution

The fourth proportional to 19,995.03, 29,949.41 and 9,449.13 is: 14,153.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,995.03 : 29,949.41 = 9,449.13 : x
  2. Step 2: Convert to fraction form
    19,995.03/29,949.41 = 9,449.13/x
  3. Step 3: Cross multiply
    19,995.03x = 29,949.41 × 9,449.13
  4. Step 4: Simplify right side
    19,995.03x = 282,996,004.45
  5. Step 5: Solve for x
    x = 282,996,004.45/19,995.03
  6. Step 6: Final answer
    x = 14,153.32

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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.