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Finding the Fourth Proportional to 19,999.36, 29,995.36 and 7,346.36

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Solution

The fourth proportional to 19,999.36, 29,995.36 and 7,346.36 is: 11,018.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,999.36 : 29,995.36 = 7,346.36 : x
  2. Step 2: Convert to fraction form
    19,999.36/29,995.36 = 7,346.36/x
  3. Step 3: Cross multiply
    19,999.36x = 29,995.36 × 7,346.36
  4. Step 4: Simplify right side
    19,999.36x = 220,356,712.89
  5. Step 5: Solve for x
    x = 220,356,712.89/19,999.36
  6. Step 6: Final answer
    x = 11,018.19

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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.