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Finding the Fourth Proportional to 9,994.03, 14,992.87 and 4,999.01

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Solution

The fourth proportional to 9,994.03, 14,992.87 and 4,999.01 is: 7,499.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,994.03 : 14,992.87 = 4,999.01 : x
  2. Step 2: Convert to fraction form
    9,994.03/14,992.87 = 4,999.01/x
  3. Step 3: Cross multiply
    9,994.03x = 14,992.87 × 4,999.01
  4. Step 4: Simplify right side
    9,994.03x = 74,949,532.04
  5. Step 5: Solve for x
    x = 74,949,532.04/9,994.03
  6. Step 6: Final answer
    x = 7,499.43

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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.